| Subject | English | Spanish |
| met. | a network of the eutectic, ledeburite, surrounds the primary austenite dendrites | una red ledeburítica rodea a los cristales de austenita primaria |
| patents., span. | appeal from the decision of the primary examiner | recurso contra las resoluciones de la Sección de Patentes del Registro de la Propiedad Industrial |
| gen. | arm primary axes | brazo, ejes principales |
| transf. | bar primary bushing type current transformer | transformador de intensidad de tipo pasamuros |
| transf. | bar primary type current transformer | transformador de intensidad de barra incorporada |
| gen. | break in the primary coolant line | rotura en la línea del refrigerante primario |
| med. | chronic primary glomerulonephritis | glomerulonefritis crónica primaria (glomerulonephritis chronica primaria) |
| gen. | civic primary municipality | municipio |
| gen. | civic primary municipality | ayuntamiento |
| fin. | closed primary | primaria cerrada |
| mech.eng. | cold trap in the primary circuit | trampa criogénica del circuito primario |
| health. | community-based primary health care | atención primaria de salud comunitaria |
| social.sc., health., UN | community-based primary health care | atención primaria de la salud a nivel de la comunidad |
| fin., health. | Conference on Community Financing in Primary Health Care | Conferencia de Freetown sobre la financiación de la atención primaria de la salud por las comunidades |
| energ.ind. | Department of Primary Industries and Energy | Ministerio de Industrias Primarias y Energía |
| mech.eng. | depressurization of the primary coolant system | despresurización del sistema de refrigeración primario |
| earth.sc. | diffusion of fission products into the primary coolant | difusión de los productos de fisión en el refrigerante primario |
| meas.inst. | digital primary element | órgano sensor digital |
| meas.inst. | digital primary element | captador digital |
| forestr. | disturbed primary forest | bosque primario alterado |
| earth.sc. | décontamination of the primary circuit | descontaminación del circuito primario |
| IMF. | exporters of primary products | exportadores de productos primarios |
| econ., fin., account. | external account of primary incomes and current transfers | cuenta exterior de rentas primarias y transferencias corrientes |
| tech. | fine chrominance primary | primario de crominancia fina |
| TV | fine chrominance primary | primario de transmisión que ocupa una banda ancha y que aporta así los detalles finos de crominancia de la imagen en colores |
| tech. | fine chrominance primary | primario de banda ancha |
| UN, health. | free and compulsory primary and secondary education | enseñanza primaria y secundaria gratuita y obligatoria |
| med. | Ghon primary complex | complejo primario de Ghon |
| med. | Ghon's primary lesion | complejo primario (tuberculosis) |
| med. | Ghon's primary lesion | lesión de Ghon |
| bank. | good primary importance | bien de primera necesidad |
| med. | hard ulcer of primary syphilis | induración de la sífilis primaria |
| med. | high-grade primary pulmonary lymphoma | linfoma pulmonar primitivo de alto grado de malignidad |
| med. | high-grade primary pulmonary lymphoma | LPP de alto grado de malignidad |
| health. | Intercountry Workshop on Joint Support for Primary Health Care | curso práctico multinacional sobre actividades conjuntas de apoyo a la atención primaria de la salud |
| pharma. | International classification of health problems in primary care | Clasificación internacional de problemas de salud en atención primaria |
| pharma. | International classification of health problems in primary care | Clasificación Internacional de problemas de salud en atención primaria |
| health. | International Conference on Primary Health Care | Conferencia Internacional sobre Atención Primaria de la Salud |
| org.name. | International Conference on Primary Health Care | Conferencia Internacional sobre Atención Primaria de Salud |
| tech. | left primary position light circuit | circuito de las luces de navegación principales izquierda |
| med. | low-grade primary pulmonary lymphoma | linfoma pulmonar primitivo de bajo grado de malignidad |
| med. | low-grade primary pulmonary lymphoma | LPP de bajo grado de malignidad |
| auto. | master cylinder primary cup | copa sello primaria del cilindro maestro |
| stat. | net primary productivity | producción primaria neta |
| fin. | new issues on the primary markets | nuevas emisiones en los mercados primarios |
| econ., social.sc., health. | NGO Group on Primary Health Care | Grupo de las organizaciones no gubernamentales sobre la atención primaria de la salud |
| IMF. | non-oil primary deficit | déficit primario excluido el petróleo |
| IMF. | non-oil primary deficit | déficit primario no petrolero |
| IMF. | non-oil primary producing country | país no petrolero de producción primaria |
| energ.ind. | non-renewable primary source of energy | energía primaria agotable |
| IMF. | overall primary balance | resultado primario global (MEFP) |
| health. | Parasite Control Model of Primary Health Care | plan modelo de atención primaria de la salud para la lucha antiparasitaria |
| gen. | pre-primary school | establecimiento preescolar |
| gen. | pre-primary school | centro preescolar |
| pulp.n.paper | pressurized primary refiner | refinador primario a presión |
| gen. | primary account information | información primaria de cuenta |
| gen. | primary account number | número primario de cuenta |
| mun.plan., mater.sc. | primary aeration rate | índice de aireación primario |
| stat. | primary age efficiency | asistencia escolar efectiva en primaria |
| genet. | primary agro-ecosystem | agroecosistema primario |
| mil. | Primary Air Force Specialty Code | clave primaria de especialidad de la Fuerza Aérea |
| tech. | Primary air inlet | entrada de aire principal |
| meteorol. | primary air pollutants | contaminantes atmosféricos primarios |
| chem. | primary alcohol | alcohol primario |
| mil. | Primary alerting system | sistema de alerta principal |
| mil. | Primary alerting system | sistema de alerta primario |
| avia. | Primary altitude indicator | indicador primario de altitud |
| chem. | primary amide | amida primaria |
| chem. | primary amine | amina primaria |
| med. | primary amputation | amputación primaria |
| med. | primary and secondary antibody deficiency disorder | trastornos por deficiencia primaria y secundaria de anticuerpos |
| med. | primary anxiety | ansiedad primaria |
| med. | primary anxiety | angustia primaria |
| tech. | Primary armament | armamento primario |
| med. | primary assimilation | quilificación |
| med. | primary association | fusión primaria |
| med. | primary astereognosis | astereognosia primaria |
| med. | primary atrophy of the dentate nucleus | síndrome de Ramsay-Hunt |
| tech. | Primary attitude indicator | indicador primario de actitud |
| med. | primary atypical pneumonia | neumonía virosa |
| med. | primary atypical pneumonia | neumonía atípica primaria |
| dialys. | primary AV fistula | fístula arteriovenosa simple |
| textile | primary backing | respaldo |
| IMF. | primary balance | resultado primario |
| gen. | primary balance | saldo primario |
| IMF. | primary balance | saldo fiscal primario |
| tech. | Primary battery | batería primario |
| tech. | Primary battery | acumulador primario |
| meteorol. | primary bench mark | cota de referencia primaria |
| med. | primary bile acid | ácido biliar primario |
| tech. | primary blade angle | ángulo principal de la pala |
| tech. | Primary blade angle | ángulo de pala primario |
| pwr.lines. | primary block | grupo digital primario |
| med. | primary blood cell | célula hemática |
| sat.comm. | primary body in relation to a satellite | cuerpo principal de un satélite |
| med. | primary brain tumor | tumor cerebral primario |
| med. | primary brain tumour | tumor cerebral primario |
| auto. | primary brake system | sistema primario del freno |
| med. | primary bronchopulmonary cancer | cáncer bronquial primitivo |
| med. | primary bronchus | bronquio primario |
| med. | primary bubo | bubón primario |
| IMF. | primary budget | presupuesto primario |
| med. | primary bulla | vesícula primaria |
| med. | primary bulla | bulla primaria |
| med. | primary bundle | fascículo primario |
| tech., el. | primary caesium clock | reloj primario de cesio |
| med. | primary calculus | cálculo primario |
| IMF. | primary capital EU, banking | capital primario |
| IMF. | primary capital EU, banking | capital básico |
| IMF. | primary capital EU, banking | capital de base |
| IMF. | primary capital EU, banking | capital de nivel 1 |
| med. | primary cardiac insufficiency | insuficiencia cardíaca primaria |
| health. | primary care | atención primaria |
| health. | primary care | primeros auxilios |
| law | primary care giver | proveedor principal de cuidados |
| ed. | Primary Care Loan | Préstamo para la Educación de Médicos de Atención Primaria |
| dialys. | primary care physician | médico de cabecera |
| dialys. | primary care physician | médico de asistencia primaria |
| health. | primary care provider | dispensador de atención sanitaria primaria |
| law, health. | Primary Care Scheme | asistencia sanitaria básica |
| work.fl. | primary category | categoría principal |
| dialys. | primary cause | causa primaria |
| health. | primary cause | causa principal |
| med. | primary cavity | cavidad primaria |
| el.chem. | primary cell | elemento galvánico |
| energ.ind., el. | primary cell | pila |
| tech. | Primary cell | pila primario |
| genet. | primary centre of diversity | centro primario de diversidad |
| med. | primary cerebral lymphoma with tumorous lesion | linfoma primario cerebral |
| tech. | Primary coil | bobina primario |
| tech. | Primary coil | devanado primario |
| tech. | Primary coil | arrollamiento primario |
| tech. | Primary colors | colores fundamentales |
| tech. | Primary colors | colores elementales |
| radio | primary colour signal | señal primaria de color |
| IMF. | Primary Commodities Price Index | índice de precios de productos primarios |
| IMF. | primary commodity | producto primario |
| econ. | primary commodity dependence | dependencia de los productos básicos |
| med. | primary complex | complejo primario de Ranke |
| food.ind., sec.sys. | primary container | envase primario |
| gen. | primary containment | contención primaria |
| gen. | primary containment barrier | barrera de contención primaria |
| gen. | primary containment system | sistema de contención primario |
| gen. | primary control unit | central de control |
| forestr. | primary conversion | primera transformación |
| energ.ind., el. | primary coolant | refrigerante primario |
| econ. | primary cooperative | cooperativa primaria |
| econ. | primary cooperative | cooperativa local |
| radio | primary coverage area | zona de cobertura primaria |
| econ. | primary credit society | sociedad primaria de crédito |
| chem. | primary crusher | molino primario |
| med., life.sc. | primary culture of hepatocytes | cultivo primario de hepatocitos |
| auto. | primary cup | sello copa primario |
| transf. | primary current of a current trans-former | intensidad primaria de un transformador de intensidad |
| tech. | Primary current | corriente primaria inductora |
| chem. | primary current ratio | relación de corriente primaria |
| med. | primary curvature | curvatura primaria |
| med. | primary curve | curva primaria |
| med. | primary cuspidal bite | oclusión cuspídea primaria |
| tech. | Primary DC bus | barra colectora principal de corriente continua |
| IMF. | primary dealer | operadores primarios |
| gen. | primary degradation of the substance | degradación primaria de la sustancia |
| med. | primary delusion | delirio |
| med. | primary dentine | dentina primaria |
| med. | primary dentition | primera dentición |
| med. | primary dentition | dentición primaria |
| IMF. | primary deposit | depósito primario |
| work.fl. | primary descriptor | descriptor principal |
| meas.inst. | primary detecting element | detector |
| meas.inst. | primary detecting element | órgano de detección |
| CNC, meas.inst. | primary detecting element | captador |
| pwr.lines. | primary digital group | grupo digital primario |
| pwr.lines. | primary digital group | bloque primario desaconsejado |
| gen. | primary disablement | invalidez primaria |
| gen. | primary disablement | incapacidad primaria |
| med. | primary disease | enfermedad primaria |
| med. | primary disseminated herpes simplex | herpes simple primario diseminado |
| transp. | primary distributor | arteria principal |
| med. | primary drive | impulso primario |
| med. | primary drug resistance | resistencia primaria |
| lab.eq. | primary drying valve | válvula de secado primario |
| med. | primary duodenal sarcoma | sarcoma duodenal |
| med. | primary dysgnathia | disgnatia primaria |
| med. | primary dysmenorrhea | dismenorrea primaria |
| antenn. | primary electron | electron primario |
| antenn. | primary electron | electron incidente |
| food.serv. | primary element | elemento primario |
| food.serv. | primary element | macroelemento |
| food.serv. | primary element | macronutriente |
| antenn. | primary emission | emisión primaria |
| tech. | Primary emplacement | emplazamiento inicial |
| med. | primary enamel cuticle | cutícula dentis (cuticula dentis) |
| med. | primary enamel cuticle | membrana cuticular (cuticula dentis) |
| med. | primary enamel cuticle | membrana de Nasmyth (cuticula dentis) |
| med. | primary enamel cuticle | membrana adamantina (cuticula dentis) |
| energ.ind. | primary energy | energía primaria |
| energ.ind., mech.eng. | primary energy driven heat pump | bomba de calor de energía primaria |
| energ.ind. | primary energy source | fuente de energía primaria |
| environ. | Primary Environmental Care | atención primaria del medio ambiente |
| med. | primary eruption | lesión primaria |
| med. | primary erythrocytosis | eritrocitosis primaria |
| med. | primary exogenous carcinogen | cancerígeno exógeno primario |
| med. | primary eye | ojo excitante |
| med. | primary fasciotomy | fasciotomía primaria |
| comp., MS | primary feature block | bloque inicial de características (The minimum content in an application package that is necessary for an application to run. The content in the primary feature block is identified during the application phase of sequencing and typically consists of the content for the most used application features) |
| automat., meas.inst. | primary feedback | reacción principal |
| CNC | primary feedback ratio | relación de reacción primaria |
| chem.fib. | primary fibre of wool | fibra virgen de lana |
| tech. | Primary fire sector | sector principal de tiro |
| IMF. | primary fiscal balance | resultado primario |
| IMF. | primary fiscal balance | saldo fiscal primario |
| gen. | primary fission yield | rendimiento de fisión primario |
| med. | primary fissure | fisura primaria |
| piez. | primary flat | orientación plana |
| tech. | primary flight control | mandos primarios de vuelo |
| antenn. | primary flow | corriente primaria |
| forestr. | primary forest | bosque primario |
| forestr. | primary forest blocks | bloques de bosque primario |
| tech., el. | primary frequency standard | patrón primario de frecuencia |
| energ.ind. | primary fuel | combustible primario |
| ecol. | primary function | función primaria |
| IT | primary function of the DCE | función primaria del ECD |
| med. | primary glaucoma | glaucoma primario |
| IMF. | primary goods | bienes primarios |
| med. | primary gout | gota primaria (arthritis urica) |
| org.name. | Primary Guidelines for Development of National Farm Animal Genetic Resources Management Plans | Primer Documento de Líneas Directrices para la Elaboración de Planes Nacionales de Gestión de los Recursos Genéticos de Animales de Granja |
| tech. | Primary gun | cañón principal |
| med. | primary haemostasis | hemostasia primaria |
| med. | primary heal | curación por primera intención |
| health. | primary health care | salud primaria |
| health. | Primary Health Care | atención primaria de la salud |
| polit. | primary health care | atención primaria de salud |
| health. | Primary Health Care | asistencia sanitaria primaria |
| health. | primary health care | atención primaria |
| pharma. | Primary health care | Atención Primaria de Salud |
| health. | primary health care centre | centro de atención primaria de la salud |
| gen. | primary health care coverage | cobertura de la asistencia sanitaria básica |
| health. | Primary Health Care Operations Research | investigaciones sobre la atención primaria de la salud |
| health. | primary health care service | servicio primario de salud |
| health. | Primary Health Care Technology Project | Proyecto de tecnología para la atención primaria de la salud |
| health. | primary health care workers | personal de atención primaria de la salud |
| health. | primary health centre | centro de atención primaria |
| health. | primary health services | servicios de atención primaria de salud |
| med. | primary hemostasis | hemostasia primaria |
| med., life.sc. | primary hepatocyte culture | cultivo primario de hepatocitos |
| med., life.sc. | primary hepatocytes | cultivo primario de hepatocitos |
| anim.husb., Arg. | primary herd | plantel |
| anim.husb. | primary herd | núcleo de población |
| anim.husb. | primary herd | rebaño o hato básico de cría |
| anim.husb. | primary herd | núcleo de origen |
| med. | primary HIV infection | primoinfección |
| med. | primary host | huésped primario |
| med. | primary host | huésped definitivo |
| med. | primary hydrocephalus | hidrocéfalo infantil |
| med. | primary hydrocephalus | hidrocéfalo crónico |
| med. | primary hydrocephalus | hidrocéfalo congénito |
| med. | primary hyperparathyroidism | hiperparatiroidismo primario |
| med. | primary hypogonadism | hipogonadismo primario |
| med. | primary hypotension | hipotensión esencial |
| med. | primary hypotonia | hipotensión esencial |
| health. | primary immunization | inmunización primaria |
| tech. | Primary impeller | rueda impelente principal |
| lab.eq. | primary inactivant | inactivador primario |
| stat. | primary index | índice primario |
| stat. | primary index | índice no ajustado |
| med. | primary infiltrate | infiltrado precoz |
| econ. | primary input | input primario |
| econ. | primary inputs for each branch | inputs primarios por rama |
| insur. | primary insurer | asegurador primario |
| med. | primary interatrial foramen | fosa oval (foramen subseptale, ostium primum) |
| commun., IT | primary intercenter network | red primaria |
| commun., IT | primary intercenter network | red entre centrales primarias |
| commun., IT | primary intercentre network | red primaria |
| comp., MS | primary interop assembly | ensamblado de interoperabilidad primario (An assembly containing definitions of COM types that is distributed and digitally signed by the author of the COM component. Visual Studio uses a registered primary interop assembly by default when a developer references a type in the corresponding type library) |
| gen. | primary key | clave primaria |
| tech. | Primary keying | manipulación primaria |
| tech., el. | primary laboratory type caesium beam frequency standard | patrón de frecuencia de haz de cesio |
| med. | primary lactose intolerance | intolerancia primaria a la lactosa |
| gen. | primary language | lenguaje primario |
| ed. | primary language instruction | instrucción en el lenguaje primario |
| med. | primary lesion | lesión primaria |
| light. | primary light source | fuente de luz primaria |
| earth.sc. | primary light source | fuente primaria de luz |
| med. | primary liver cancer | cáncer primitivo del hígado |
| pwr.lines. | primary load | carga normal |
| el. | primary low tension coil | bobinado primario de baja tensión |
| med. | primary lung ventilation | ventilación pulmonar primaria |
| med. | primary lymphatic follicle | folículo linfático primario |
| gen. | primary make-up circuit | circuito primario del agua de relleno |
| med. | primary malignant bone tumor | tumor maligno primitivo |
| med. | primary malignant bone tumor | tumor maligno primario |
| med. | primary malignant bone tumour | tumor maligno primitivo |
| food.serv. | primary malnutrition | malnutrición primaria |
| comp., MS | primary Management Server | servidor de administración principal (The server that an agent-managed computer is specifically assigned to communicate with) |
| med. | primary mesenchyme | mesénquima primario |
| meas.inst. | primary meter | contador principal |
| soil. | primary mineral | mineral primario |
| gen. | primary missile effects | efectos primarios de un proyectil |
| med. | primary multiple myositis | polimiositis |
| med. | primary multiple myositis | seudotriquinosis |
| med. | primary multiple myositis | miositis mùltiple |
| med. | primary multiple myositis | miositis primaria mùltiple |
| med. | primary multiple myositis | dermatomiositis |
| dialys. | primary nephrologist | nefrólogo primario |
| biol. | primary nursery | criadero primario |
| food.serv. | primary nutrient | macroelemento |
| food.serv. | primary nutrient | elemento primario |
| food.serv. | primary nutrient | macronutriente |
| agric. | primary nutrients | nutrientes primarios |
| anim.husb. | primary offals | menudos |
| anim.husb. | primary offals | visceras |
| anim.husb. | primary offals | entrañas |
| chem. | primary orthophosphate | ortofosfato primario |
| med. | primary osteoporosis | osteoporosis primaria |
| med. | primary ovarian follicles | folículos ováricos primarios |
| energ.ind. | primary owner of the data | propietario primario de los datos |
| dialys. | primary oxalosis | oxalosis primaria |
| soil. | primary particle | partícula elemental |
| pwr.lines. | primary PCM group A | grupo digital primario A |
| pwr.lines. | primary PCM group A | bloque primario A desaconsejado |
| pwr.lines. | primary PCM group mu | grupo digital primario mu |
| pwr.lines. | primary PCM group mu | bloque primario mu desaconsejado |
| med. | primary perineum | perineo primario |
| med. | primary phenomenon | fenómeno primario |
| fin. | primary phone number | número de teléfono principal |
| laser. | primary photochemical process primary photoreaction | proceso fotoquímico primario (fotorreacción primaria) |
| light. | primary photometric standard | patrón fotométrico primario |
| wood. | primary pit field | punteadura primordial |
| wood. | primary pit field | campo de punteadura primaria |
| med. | primary plaque | placa primaria |
| med. | primary pleuritis | pleuresía primaria |
| med. | primary plexus | plexo primario (fundamental plexus) |
| med. | primary plexus | plexo fundamental (fundamental plexus) |
| med. | primary position | posición primaria de los ojos |
| el. | primary power | potencia en el primario |
| transp., el. | primary power supply | acometida principal |
| transp., el. | primary power supply | alimentación principal |
| el. | primary power supply | fuente primaria de energía |
| laser. | primary photoprocess | fotoprocesoprimario |
| med. | primary processes | procesos primarios |
| IMF. | primary producing country | país de producción primaria |
| energ.ind. | primary product | producto primario |
| mater.sc. | primary product | producto de partida |
| mater.sc. | primary product | producto inicial |
| laser. | primary photoproduct | fotoproductoprimario |
| fish.farm. | primary production bloom | explosión de producción primaria |
| med. | primary progressive cerebellar degeneration | degeneración cerebelosa primaria progresiva |
| med. | primary progressive cerebellar degeneration | degeneración de Holmer |
| med. | primary proteose | proteosa primaria |
| med. | primary proteose | protalbumosa |
| med. | primary pulmonary lymphoma | linfoma pulmonar primario |
| med. | primary pulmonary lymphoma of MALT type | linfoma pulmonar tipo MALT |
| med. | primary pulse | pulso primario |
| tech. | Primary radar return | eco-radar primario |
| antenn. | primary radiator | radiator primario |
| antenn. | primary radiator | radiador primario |
| antenn. | primary radiator | fuente primaria |
| commun., IT | primary rate | velocidad primaria |
| commun., IT | primary rate access | acceso a velocidad primaria |
| commun. | primary-rate access | acceso primario |
| commun., IT | primary rate access | acceso primario |
| commun., IT | primary rate access line | línea de acceso primario |
| commun., IT | primary rate interface | interfaz a velocidad primaria |
| commun., IT | primary rate interface | acceso primario |
| gen. | primary reactor | bobina de reactancia adicional |
| CNC | primary regulation | regulación primaria |
| med. | primary reinforcement | refuerzo primario |
| el., meas.inst. | primary relay | relé primario |
| IMF. | primary reserve assets | reservas primarias |
| IMF. | primary reserves banking, USA | activos primarios de reserva |
| IMF. | primary reserves banking, USA | reservas primarias |
| fin. | primary residence | residencia principal |
| med. | primary resistance | resistencia primaria |
| meteorol. | primary risk | riesgo primario |
| telecom. | primary route | ruta de primera elección |
| chem. | primary salt | sal primaria |
| chem. | primary sample | muestra de partida |
| stat. | primary sampling unit | unidad primaria de muestreo |
| stat. | primary sampling unit | unidad muestral de primera etapa |
| stat. | primary sampling unit | UMP |
| food.serv. | primary school feeding | alimentación en escuelas primarias |
| ed. | primary schoolchildren | alumnos de escuelas primarias |
| sociol. | primary schooling | educación primaria |
| pulp.n.paper | primary screen | tamiz primario |
| pulp.n.paper | primary screen rejects chest | cuba de desechos del tamiz primario |
| pack. | primary seal | sellado primario |
| econ. | primary security | valor de primera clase |
| tech. | Primary shaft | eje principal |
| auto. | primary shoe | zapata banda primaria |
| bot. | primary shoot | vástago primario |
| meas.inst. | primary signal monitor | osciloscopio triple |
| meas.inst. | primary signal monitor | aparato de comprobación de las señales primarias |
| environ. | primary sludge | fango primario |
| soil. | primary soil | suelo sedentario |
| work.fl. | primary sources | publicación primaria |
| gen. | primary sources | fuentes originales (Published and unpublished records without secondary interpretation or commentary) |
| el. | primary speed control of the generating sets | regulación primaria |
| med. | primary splenic panhematopenia | esplenomegalía tromboflebítica |
| med. | primary splenic panhematopenia | enfermedad de Opitz |
| med. | primary splenic panhematopenia | tromboflebitis del bazo |
| sociol. | primary stakeholder | interesado principal |
| tech. | Primary station | estación y observatorio principal |
| IT | primary store | memoria primaria |
| tech. | Primary structure | estructura principal |
| work.fl. | primary subject category | categoría de materia principal |
| ecol. | primary succession | sucesión primaria |
| med. | primary sulcus of the brain | fisura primaria |
| energ.ind. | primary supply | alimentación primaria |
| earth.sc., mech.eng. | primary surface | superficie primaria |
| med. | primary symptom | síntoma primario |
| med. | primary syphilis | chancro sifilítico |
| med. | primary syphilis | accidente primitivo de la sífilis |
| med. | primary syphilis | ulcus durum |
| med. | primary syphilis | chancro duro |
| med. | primary syphilis | chancro verdadero |
| med. | primary syphilis | chancro de Ricord |
| med. | primary syphilis | chancro infectando |
| med. | primary syphilis | chancro indurado |
| tel. | primary system for the determination of reference equivalents | sistema primario para Ia determinación de equivalentes de referencia |
| auto. | primary tank | tanque primario |
| tech. | Primary target | objetivo principal |
| tech. | Primary target | blanco principal |
| tech. | Primary target area | zona de objetivo principal |
| corp.gov. | primary target beneficiary | beneficiario primario previsto |
| food.serv. | primary taste | gusto primario |
| el. | primary time | tiempo primario |
| tech., el. | primary time standard | patrón de tiempo primario |
| tech. | Primary training | adiestramiento elemental |
| antenn. | primary transit-angle gap loading | carga del espacio de interacción para el ángulo de tránsito primario |
| textile | primary transition | transición primaria |
| textile | primary transition temperature | temperatura de transición primaria |
| waste.man. | primary treatment | tratamiento primario de aguas residuales |
| pack. | primary treatment | tratamiento previo |
| med. | primary tropical spleen abscess | absceso amebiano primario del bazo |
| med. | primary tuberculosis | tuberculosis primaria |
| health. | primary tuberculosis infection | primoinfección de tuberculosis |
| med. | primary tumour | tumor primario |
| tech., industr., construct. | primary twisting | prerretorcido |
| med. | primary union | cicatrización por primera intención |
| stat. | primary unit | unidad muestral primaria |
| stat. | primary unit | unidad muestral de primera etapa |
| stat. | primary unit | UMP |
| med. | primary urethra | uretra primaria |
| med. | primary urge | impulso primario |
| corp.gov. | primary user | usario primario |
| med. | primary vaccination | primovacunación |
| health. | primary vaccination | vacunación primaria |
| med. | primary varicose veins | variz esencial |
| med. | primary varicose veins | várice esencial |
| med. | primary varicose veins | várice primaria |
| med. | primary varicose veins | variz primaria |
| med. | primary varicose veins | varice primaria |
| med. | primary varicose veins | varice esencial |
| med. | primary vesicle | vesícula primaria |
| med. | primary villi | vellos primarios |
| commun., IT | primary voice path | trayecto primario de la voz |
| transf. | primary voltage of a voltage transformer | tensión primaria de un transformador de tensión |
| tech. | Primary voltage | voltaje primario |
| tech. | Primary voltage | tensión del primario |
| gen. | primary voter | votante en elecciones primarias |
| gen. | primary walk sorting | separación por radios |
| gen. | primary walk sorting | embarriado |
| bot. | primary wall | membrana primaria |
| textile | primary wall | pared primaria |
| environ. | primary waste treatment | tratamiento primario de aguas residuales |
| waste.man. | primary wastewater treatment | tratamiento primario de aguas residuales |
| environ. | primary water treatment | tratamiento primario del agua |
| mil. | Primary weapon | arma principal |
| auto. | primary winding | embobinado primario |
| tech. | Primary winding | devanado inductor |
| tech. | Primary wire | alambre primario |
| gen. | principles, which all are of primary significance | los principios, todos ellos de significación primordial |
| org.name. | Proposed Draft Code of Practice for Primary Production, Harvesting and Packaging of Fresh Produce | Anteproyecto del Código de Prácticas de Higiene para la Producción Primaria, la Recolección y el Envasado de Productos Frescos |
| UN, agric. | Rapid Assessment Procedures for Nutrition and Primary Health Care | Procedimientos de asesoría rápida para programas de nutrición y primaria de salud |
| transf. | rated accuracy limit primary current of a protective current transformer | intensidad límite de precisión asignada de un transformador de intensidad para protección |
| transf. | rated instrument limit primary current IPL | intensidad primaria límite asignada para los aparatos de medida |
| el. | rated primary current | intensidad nominal primaria |
| transf. | rated primary current of a current transformer | intensidad primaria asignada de un transformador de intensidad |
| el. | rated primary voltage | tensión nominal primaria |
| transf. | rated primary voltage of a voltage transformer | tensión primaria asignada de un transformador de tensión |
| med. | schizophrenic primary experience | experimento esquizofrénico primario |
| construct. | setting out of the primary grid | replanteo |
| mech.eng., el. | short-circuit time constant of primary windings | constante de tiempo de corriente de cortocircuito |
| transp., mech.eng. | single-primary type linear motor | motor lineal unilateral |
| environ. | solid wastes from primary filtration and screening | Residuos sólidos de la filtración primaria y cribado |
| ed., UN | South Asia Workshop on the Universalization of Girls' Education at Primary Level | curso práctico sobre la universalización de la educación primaria de las niñas en Asia meridional |
| ed., UN | South Asia Workshop on the Universalization of Girls' Education at Primary Level | Curso práctico sobre la universalización de la educación primaria de las niñas de Asia meridional |
| stat. | spending on teaching materials,primary | gasto en materiales didácticos, primaria |
| gen. | State Secretary for Primary and Secondary Education | Secretario de Estado de Enseñanza Basica y Secundaria |
| IMF. | structural primary balance | saldo primario estructural |
| econ. | table of primary inputs and resources | tabla de inputs primarios y recursos |
| econ. | table of primary inputs,resources and total resources | tabla de inputs primarios, recursos y total de recursos |
| el. | terminal of the primary winding | borne del primario |
| met. | the primary banded structure can be attenuated by a homogenizing anneal | se puede atenuar la estructura primaria en bandas por medio de un recocido de homogeneización |
| gen. | The vaccination campaign started in primary schools | La campaña de vacunación de inició en las escuelas primarias |
| energ.ind. | total primary energy supply | abastecimiento de energía primaria total |
| tech. | turns on the primary | vueltas en el primario |
| gen. | UNESCO/UNICEF programme for Universal Primary Education and Literacy | UNESCO/UNICEF programme for Universal Primary Education and Literacy |
| org.name. | Universal Primary Education | educación primaria universal |
| transf. | wound primary type current transformer | transformador de intensidad de primario bobinado |
