| Subject | English | Spanish |
| mater.sc., met. | abrasion factor | coeficiente de desgaste |
| mater.sc., met. | abrasion factor | coeficiente de abrasión |
| med. | accelerator factor | proacelerina |
| med. | accessory factor | vitamina |
| med. | accessory factor | factor alimenticio accesorio |
| med. | accessory factor | substancia alimenticia accesoria |
| med. | accessory factor | nutramina |
| med. | accessory factor | hormona alimenticia |
| med. | accessory factor | factor accesorio |
| med. | accessory food factor | substancia alimenticia accesoria |
| med. | accessory food factor | nutramina |
| med. | accessory food factor | hormona alimenticia |
| med. | accessory food factor | factor alimenticio accesorio |
| med. | accessory food factor | vitamina |
| med. | aetio-pathogenic factor | factor etiopatogénico |
| med. | antiacrodynia factor | piridoxina |
| med. | antiacrodynia factor | vitamina antiacrodínica |
| med. | antiacrodynia factor | vitamina antidermatitis |
| med. | antiacrodynia factor | adermina |
| med. | antiacrodynia factor | vitamina B6 |
| med. | antialopecia factor | inositol |
| med. | antianemic factor | principio antianémico |
| med. | antianemic factor | factor antianémico |
| med. | antibody which inhibits acceptance of growth factors by receptors | anticuerpo antirreceptor de factores de crecimiento |
| med. | antibody which inhibits tumour growth factors | anticuerpo antifactor de crecimiento |
| med. | anticanitic factor | factor antidermatitis |
| med. | anticanitic factor | ácido pantoténico |
| med. | antichromotrichia factor | factor antidermatitis |
| med. | antichromotrichia factor | ácido pantoténico |
| med. | antidermatitis factor of chicks | factor antidermatitis |
| med. | antidermatitis factor of chicks | ácido pantoténico |
| med. | antidermatitis factor of rats | adermina |
| med. | antidermatitis factor of rats | piridoxina |
| med. | antidermatitis factor of rats | vitamina antiacrodínica |
| med. | antidermatitis factor of rats | vitamina antidermatitis |
| med. | antidermatitis factor of rats | vitamina B6 |
| med. | anti-egg-white factor | vitamina seborréica |
| med. | anti-egg-white factor | factor cutáneo |
| med. | anti-egg-white factor | ácido paraaminobenzóico |
| med. | anti-egg-white factor | biotina |
| med. | anti-egg-white factor | vitamina H |
| med. | antigray-hair factor | factor antidermatitis |
| med. | antigray-hair factor | ácido pantoténico |
| med. | antihaemophilic factor | factor antihemofílico A |
| med. | antihaemophilic factor | factor VIII de coagulación |
| med. | antihaemophilic factor B | factor Christmas |
| med. | antihemophilia factor | factor antihemofílico |
| med. | antihemophilia factor deficiency | déficit del factor antihemofílico |
| med. | antihemophilic factor | factor VIII de coagulación |
| med. | antihemophilic factor | factor antihemofílico A |
| med. | antineuritic factor | factor antineurítico |
| med. | antineuritic factor | tiamina |
| med. | antineuritic factor | aneurina |
| med. | antineuritic factor | vitamina B₁ |
| med. | antipellagra factor | nicotamida |
| med. | antipellagra factor | ácido nicotinico |
| med. | antipellagra factor | substancia antipelagrosa |
| med. | antipellagra factor | niacina |
| med. | antipellagra factor | factor antipelagra |
| med. | antipellagra factor | vitamina PP |
| med. | anti-penicillinase factor | factor antipelicinasa |
| med. | antirachitic factor | ergosterol |
| med. | antirachitic factor | factor antirraquítico |
| med. | antirachitic factor | vitamina D |
| med. | antiscorbutic factor | àcido ascórbico |
| med. | antiscorbutic factor | vitamina antiescorbútica |
| med. | antiscorbutic factor | àcido cevitaminico |
| med. | antiscorbutic factor | vitamina C |
| med. | anti-smegmatic-factor | factor antiesmegma |
| med. | anti-stiffness factor | factor antirrigidez |
| med. | antixerophthalmia factor | vitamina antixeroftálmica |
| med. | antixerophthalmia factor | axeroftol |
| med. | antixerophthalmia factor | vitamina A |
| med. | antixerotic factor | vitamina antixeroftálmica |
| med. | antixerotic factor | axeroftol |
| med. | antixerotic factor | vitamina A |
| antenn. | aperture blocking factor in a reflector antenna | factor de obstrucción de apertura en una antena de reflector |
| antenn. | array factor | factor del conjunto |
| gen. | attainability of high reliability and availability factor | posibilidad de alcanzar tasas elevadas de seguridad y explotación |
| gen. | axial factor | factor axial |
| gen. | axial form factor | factor de forma axial |
| med. | B-cell growth factor | factor de crecimiento de linfocitos B |
| med. | B-cell stimulatory factor | factor de estimulación de células B |
| med. | beta factor | factor beta |
| med. | beta factor | luteosterona |
| med. | beta factor | luteína |
| med. | beta factor | lutina |
| med. | beta factor | progestina |
| med. | beta factor | hormona luteínica |
| med. | beta factor | hormona del cuerpo lúteo |
| med. | beta factor | progesterona |
| med. | bifidus factor | factor bífido |
| med. | bifidus factor | factor bífidus |
| med. | bioanalytical factor | factor bioanalítico |
| med. | biological hazard factor | factor de riesgo biológico |
| med. | blood factor II | protrombina |
| gen. | blood factor II | factor II de la coagulación sanguínea |
| med. | blood-forming factors | factores de la hematopoyesis |
| med. | breadth factor | factor de amplitud |
| gen. | build-up factor | factor de acumulación |
| med. | Bx factor | biotina |
| med. | Bx factor | ácido paraaminobenzóico |
| med. | Bx factor | vitamina seborréica |
| med. | Bx factor | factor cutáneo |
| med. | Bx factor | vitamina H |
| med. | C-factor | factor C |
| med. | Castle's factor | factor intrínseco de Castle |
| med. | Castle's factor | hemopoyetina |
| med. | caused by mental factors | psicógeno |
| gen. | caused by mental factors | que tiene un origen emocional o psicológico |
| med. | CDE blood factors | factores sanguíneos C,D y E |
| energ.ind. | cell packing factor | coeficiente de ocupación de los paneles |
| energ.ind. | cell packing factor | densidad de ocupación |
| med. | chick antipellagra factor | factor antidermatitis |
| med. | chick antipellagra factor | ácido pantoténico |
| med. | Christmas factor | factor Christmas |
| med. | chromotrichial factor | biotina |
| med. | chromotrichial factor | ácido paraaminobenzóico |
| med. | chromotrichial factor | factor cutáneo |
| med. | chromotrichial factor | vitamina seborréica |
| med. | chromotrichial factor | vitamina H |
| med. | co-factor supplemented post-mitochondrial fraction | fracción posmitocondrial suplida de cofactores |
| med. | coagulation factor II | trombina |
| med. | coagulation factor III | tromboplastina tisular |
| med. | coagulation factor III | trombocinasa |
| med. | coagulation factor IX | factor Christmas |
| med. | coagulation factors | factores de coagulación |
| mater.sc., el. | coincidence factor | factor de simultaneidad |
| energ.ind., el. | collector thermal efficiency factor | factor de eficacia de un colector solar |
| mater.sc., met. | column buckling factor | coeficiente de pandeo |
| med. | complement factor | factor de complemento |
| med. | complementary factor | piridoxina |
| med. | complementary factor | vitamina antidermatitis |
| med. | complementary factor | adermina |
| med. | complementary factor | vitamina antiacrodínica |
| med. | complementary factor | vitamina B6 |
| energ.ind. | concentration factor | factor de concentración |
| med. | conformity of hereditary factors | igualdad hereditaria |
| med. | congenital clotting factor deficiency | déficit de un factor de coagulación |
| med. | congenital coagulation factor deficiency | déficit de un factor de coagulación |
| med. | congenital Factor VIII deficiency | deficiencia congénita de factor VIII |
| gen. | consequence of one factor | incidencia sobre |
| CNC | control interaction factor | coeficiente de interacción |
| gen. | correction factor for induced drag | factor de corrección de resistencia inducida |
| med. | correlation factor | factor de correlación |
| med. | co-thrombin conversion factor | factor VII |
| med. | co-thrombin conversion factor | proconvertina |
| gen. | coupling factor | coeficiente de acoplamiento |
| gen. | cover the lapse factor | respetar el coeficiente de descuento por vacantes |
| med. | Day's factor | ácido fólico |
| energ.ind. | demand factor | factor de carga |
| mater.sc. | deterioration factor | factor de fatiga |
| mater.sc. | deterioration factor | factor de deterioro |
| med. | diabetogenic factor | factor diabetógeno |
| med. | differentiating factor | factor de diferenciación |
| med. | differentiation factor | factor de diferenciación |
| med. | diffusion factor | factor de Duran-Reynolds |
| med. | diffusion factor | hialuronidasa |
| med. | digestibility factor | factor de digestibilidad |
| mater.sc., el. | diversity factor | factor de diversidad |
| med. | Duran-Reynolds permeability factor | factor de Duran-Reynolds |
| med. | Duran-Reynolds permeability factor | hialuronidasa |
| CNC | duty factor | factor de trabajo |
| weld. | duty factor superseded | factor de trabajo |
| CNC | duty factor action | acción por factor de trabajo |
| gen. | EBC factor | coeficiente de equivalencia de contenido de boro |
| horticult. | edaphic factors | condiciones edáficas |
| horticult. | edaphic factors | factores edáficos |
| mater.sc., el. | effective demand factor | factor de responsabilidad en la punta |
| gen. | electrical dissipation factor | factor de disipación eléctrica |
| med. | eliciting factor | factor causante |
| med. | elongation factor | factor de elongación |
| med. | eloper from lethal factor | portador de gen letal hereditario |
| med. | eluate factor | vitamina antidermatitis |
| med. | eluate factor | vitamina antiacrodínica |
| med. | eluate factor | adermina |
| med. | eluate factor | piridoxina |
| med. | eluate factor | vitamina B6 |
| gen. | enabling factor | factor habilitador |
| gen. | enabling factor | factor propicio |
| energ.ind. | energy capability factor | índice de producibilidad |
| energ.ind. | energy capability factor | índice de energía producible |
| energ.ind. | energy capability factor | coeficiente de utilización |
| energ.ind., construct. | energy capability factor of a hydro-region | indiceocoeficientede producibilidadenergia produciblede una region hidroeléctrica |
| energ.ind. | energy utilisation factor | porcentaje de utilizacion de energia |
| energ.ind. | energy utilisation factor | factor de utilizacion de la potencia maxima posible |
| energ.ind. | energy utilisation factor | factor de carga de un grupo |
| energ.ind. | energy utilization factor | factor de utilizacion de la potencia maxima posible |
| energ.ind. | energy utilization factor | porcentaje de utilizacion de energia |
| energ.ind. | energy utilization factor | factor de carga de un grupo |
| med. | environmental factor | factor ambiental |
| gen. | equivalent boron content factor | coeficiente de equivalencia de contenido de boro |
| med. | erythrocyte maturation factor | principio antianémico |
| med. | erythrocyte maturation factor | factor antianémico |
| med. | extrinsic factor | vitamina B12 |
| med. | extrinsic factor | cianocobalamina |
| med. | extrinsic factor | factor extrínseco de Castle |
| med. | F factor | factor de fertilidad |
| med. | F factor | factor F |
| med. | Factor HI | tromboplastina tisular |
| med. | Factor HI | factor III |
| med. | factor I | piridoxina |
| med. | factor I | adermina |
| med. | factor I | vitamina antiacrodínica |
| med. | factor I | vitamina antidermatitis |
| med. | factor I | vitamina B6 |
| med. | factor II | factor antidermatitis |
| med. | factor II | ácido pantoténico |
| med. | factor III | tromboplastina tisular |
| med. | factor IX | factor Christmas |
| med. | factor of achromotrichia | factor de acromatismo |
| med. | factor S | biotina |
| med. | factor S | ácido paraaminobenzóico |
| med. | factor S | vitamina seborréica |
| med. | factor S | factor cutáneo |
| med. | factor S | vitamina H |
| gen. | factor set | conjunto factor |
| med. | factor V | factor V |
| med. | factor V | proacelerina |
| med. | factor VII | factor VII |
| med. | factor VII | proconvertina |
| med. | factor VII deficiency | síndrome de Alexander |
| med. | factor VIII | factor VIII de coagulación |
| med. | factor VIII | factor antihemofílico A |
| med. | Factor VIII activity | actividad del factor VIII |
| med. | factor W | biotina |
| med. | factor W | ácido paraaminobenzóico |
| med. | factor W | vitamina seborréica |
| med. | factor W | factor cutáneo |
| med. | factor W | vitamina H |
| med. | factor X | factor Stuart-Prower |
| med. | factor X | biotina |
| med. | factor X | ácido paraaminobenzóico |
| med. | factor X | factor X |
| med. | factor X | factor cutáneo |
| med. | factor X | vitamina seborréica |
| med. | factor X | vitamina H |
| med. | factor XI | factor PTA (PTA factor) |
| med. | factor XI | factor XI (PTA factor) |
| med. | factor XII | factor Hageman |
| med. | factor XII | factor XII |
| med. | factor XII | factor de Hageman |
| med. | Factor XIII | factor XIII |
| med. | Factor XIII | fibrinasa |
| med. | Factor XIII | factor estabilisator de la fibrina |
| pack. | fatigue factor | factor de deterioro |
| pack. | fatigue factor | factor de fatiga |
| mater.sc., met. | fatigue strength reduction factor | coeficiente de reducción de resistencia a la fatiga |
| med. | fermentation Lactobacillus casei factor | ácido fólico |
| med. | fertility factor | factor F |
| med. | fertility factor | factor de fertilidad |
| med. | fibrin stabilising factor | factor estabilizador de la fibrina |
| med. | fibrin stabilising factor | factor XIIIa |
| med. | fibrin stabilizing factor | factor estabilisator de la fibrina |
| med. | fibrin stabilizing factor | fibrinasa |
| med. | fibrin stabilizing factor | factor XIII |
| med. | fibrin stabilizing factor | factor estabilizador de la fibrina |
| med. | fibrin stabilizing factor | factor XIIIa |
| energ.ind. | fill factor | factor de carga |
| med. | filtrate factor II | factor antidermatitis |
| med. | filtrate factor II | ácido pantoténico |
| med. | galactopoietic factor | mamotropina |
| med. | galactopoietic factor | hormona lactógena |
| med. | galactopoietic factor | galactina |
| med. | galactopoietic factor | hormona mamotrópica |
| med. | galactopoietic factor | prolactina |
| antenn. | gas amplification factor | factor de amplificación del gas |
| med. | gastric intrinsic factor | factor intrínseco gástrico |
| med. | gastric intrinsic factor | factor intrínseco |
| med. | gene factor | gen mendeliano |
| med. | gene factor | gen factor hereditario |
| med. | genetic factor of cancer predisposition | factor genético de predisposición al cáncer |
| med. | genetically determined predisposing factor | factor predisponente genéticamente determinado |
| energ.ind. | geothermal recovery factor | fracción energética recuperada |
| energ.ind. | geothermal recovery factor | factor de recuperación |
| med. | glucose co-factor | cofactor de glucosa |
| med. | glucose tolerance factor | factor de tolerancia a la glucosa |
| med. | gonadotrophin releasing factor | factor de liberación de la gonadotropina |
| med. | gradient factor | factor de Gradiente |
| med., pharma. | granulocyte colony stimulating factor | G-CSF |
| med., pharma. | granulocyte colony stimulating factor | factor estimulante de las colonias de granulocitos |
| med., pharma. | granulocyte colony stimulating factor | factor estimulante de colonias granulociticas |
| med., pharma. | granulocyte colony-stimulating factor | G-CSF |
| med., pharma. | granulocyte colony-stimulating factor | factor estimulante de las colonias de granulocitos |
| med., pharma. | granulocyte colony-stimulating factor | factor estimulante de colonias granulociticas |
| med., pharma. | granulocyte colony-stimulating factor | factor estimulador de colonias de granulocitos |
| med. | growth factor therapy | terapia de factores del crecimiento |
| med. | Hageman factor | factor XII |
| med. | Hageman factor | factor de Hageman |
| med. | Hageman factor | factor Hageman |
| med. | Hageman-factor deficiency | enfermedad de Hageman |
| med. | hematopoietic factors | factores de la hematopoyesis |
| med. | hemophilic factor C | factor PTA (PTA factor) |
| med. | hemophilic factor C | factor XI (PTA factor) |
| med. | hereditary factor | factor hereditario |
| med. | hereditary factor | gen factor hereditario |
| med. | hereditary factor | gen mendeliano |
| med. | hereditary malformation factor | factor deficitario |
| mater.sc., el. | high load factor consumer | cliente de alta utilización |
| med. | hyperglycemic glycogenolytic factor | glucagon |
| med. | immunity factor | factor inmunizante |
| med. | inhibition factor gene | gen inhibidor |
| med. | initiating factor | agente iniciador |
| med. | insulin growth factor 1 | somatomedina C |
| med. | insulin growth factor 1 | factor de crecimiento de tipo insulínico I |
| med. | insulin-like growth factor 1 | factor de crecimiento de tipo insulínico I |
| med. | insulin-like growth factor 1 | somatomedina C |
| CNC | integral action factor | coeficiente de acción integral |
| med. | intelligence factors | factores de la inteligencia |
| med. | intensity factor | factor de intensidad |
| med. | intrinsic factor | factor intrínseco de Castle |
| med. | intrinsic factor | hemopoyetina |
| med. | intrinsic factor antibody | anticuerpo antifactor intrínseco |
| med. | intrinsic factor Castle | factor intrínseco de Castle |
| med. | killer factor | factor letal |
| med. | lactobacillus bifidus factor | factor bífido |
| med. | lactobacillus bifidus factor | factor bífidus |
| med. | Lactobacillus casei factor | ácido fólico |
| med. | Lactobacillus lactis Dorner factor LLD factor | cianocobalamina |
| med. | Lactobacillus lactis Dorner factor LLD factor | vitamina B12 |
| med. | lactogenic factor | mamotropina |
| med. | lactogenic factor | galactina |
| med. | lactogenic factor | hormona lactógena |
| med. | lactogenic factor | hormona mamotrópica |
| med. | lactogenic factor | prolactina |
| med. | Laki-Lorand factor | fibrinasa |
| med. | Laki-Lorand factor | factor XIII |
| med. | Laki-Lorand factor | factor estabilisator de la fibrina |
| energ.ind., el. | Lamp Lumen Maintenance Factor | factor de mantenimiento del flujo luminoso de la lámpara |
| gen. | lapse factor | factor retraso |
| gen. | lapse factor | coeficiente de descuento por vacantes |
| med. | layering-reactive identification of rheumatoid factor | identificación en lámina reactiva del factor reumatoide |
| med. | lethal factor | factor letal |
| gen. | limiting factor | factor limitante |
| med. | liver filtrate factor yeast filtrate factor | factor antidermatitis |
| med. | liver filtrate factor yeast filtrate factor | ácido pantoténico |
| med. | liver Lactobacillus casei factor | ácido fólico |
| tech. | load cell correction factors | factores de corrección del indicador de presiones |
| energ.ind. | load factor | porcentaje de utilizacion de energia |
| energ.ind. | load factor | factor de utilizacion de la potencia maxima posible |
| energ.ind. | load factor | factor de carga de un grupo |
| energ.ind. | load factor | factor de carga |
| gen. | local peaking factor | factor máximo de potencia local |
| gen. | local power peaking factor | factor máximo de potencia local |
| pack. | loss factor | indice de pérdidas |
| mater.sc., el. | low load factor consumer | cliente de baja utilización |
| mater.sc., el. | low load factor tariff | tarifa para bajas utilizaciones |
| med. | lymphocyte-activating factor | interleuquina-1 |
| med. | lymphocyte-activating factor | factor activador de linfocitos |
| gen. | M-factor | factor M |
| med. | Macrophage Activating Factor | factor activador de macrófagos |
| med. | macrophage migration inhibitory factor | factor inhibidor de la migración de los macrófagos |
| med. | macrophage migration inhibitory factor | factor inhibidor de la migración de los macrófagos |
| soil. | Manning's roughness factor | factor de rugosidad de Manning |
| med. | Mendel factors | factores de Mendel |
| med. | migration inhibition factor | factor inhibidor de la migración |
| antenn. | mismatch factor | coeficiente de reflexión |
| tech. | modal weighting factor | factor de ponderación modal |
| biol. | modifying factor | factor modificador |
| med. | mouse antialopecia factor | inositol |
| med. | multiple-factor inheritance | herencia poligénica |
| gen. | multiplying factor | factor M |
| med. | necrotizing factor | necrotoxina |
| med. | necrotizing factor | factor necrótico |
| med. | Nerve Growth Factor | factor de crecimiento del tejido nervioso |
| gen. | neutron multiplication factor | factor de multiplicación neutrónica |
| med. | nitrogen conversion factors | factores de conversión de nitrógeno |
| med. | norite eluate factor | ácido fólico |
| med. | nutritional factor | factor nutritivo |
| gen. | odour safety factor | factor de seguridad por el olor |
| med. | original behaviorial factors | factores originarios de la personalidad |
| med. | Owren factor | factor de Owren |
| gen. | partition factor | coeficiente de partición |
| mater.sc., el. | peak responsibility factor | factor de participación en la punta |
| med. | pellagra preventive factor | niacina |
| med. | pellagra preventive factor | factor antipelagra |
| med. | pellagra preventive factor | substancia antipelagrosa |
| med. | pellagra preventive factor | ácido nicotinico |
| med. | pellagra preventive factor | nicotamida |
| med. | pellagra preventive factor | vitamina PP |
| med. | plasma Factor VIII activity | actividad plasmática del factor VIII |
| gen. | plasma quality factor | factor de calidad del plasma |
| med. | platelets-derived growth factor | factor de crecimiento derivado de las plaquetas |
| gen. | polarization receiving factor | coeficiente de recepción de polarización |
| mater.sc., el. | power factor clause | cláusula de factor de potencia |
| mater.sc., el. | power factor clause | cláusula de energía reactiva |
| gen. | power factor correction | instalación de compensación |
| gen. | power peaking factor | factor máximo de potencia |
| gen. | power peaking factor | factor de maximización y minimización de potencia |
| med. | PP factor | substancia antipelagrosa |
| med. | PP factor | ácido nicotinico |
| med. | PP factor | nicotamida |
| med. | PP factor | niacina |
| med. | PP factor | factor antipelagra |
| med. | PP factor | vitamina PP |
| pack. | PPP factors | producto, proceso, envasado |
| gen. | progression factor | factor de progresión |
| gen. | proof factor | porcentaje de falla |
| ecol. | proper use factor | coeficiente de aprovechamiento |
| CNC, meas.inst. | proportional action factor | coeficiente de acción proporcional |
| CNC | proportional controller factor | coeficiente de regulador proporcional |
| gen. | pull and push factor | factor de atracción y rechazo |
| med. | radical basic factor | raíz |
| med. | rat acrodynia factor | piridoxina |
| med. | rat acrodynia factor | adermina |
| med. | rat acrodynia factor | vitamina antidermatitis |
| med. | rat acrodynia factor | vitamina antiacrodínica |
| med. | rat acrodynia factor | vitamina B6 |
| CNC, amer. | rate action factor | coeficiente de acción derivada |
| energ.ind. | recovery factor | fracción energética recuperada |
| energ.ind. | recovery factor | factor de recuperación |
| med. | reducing factor | àcido cevitaminico |
| med. | reducing factor | vitamina antiescorbútica |
| med. | reducing factor | àcido ascórbico |
| med. | reducing factor | vitamina C |
| med. | release factor | factor de terminación |
| med. | release factor | factor de liberación |
| med. | releasing factor | factor de liberación |
| gen. | relevant factors | factores relevantes |
| mater.sc. | reserve factor | factor de seguridad |
| med. | rhesus factor | factor Rhesus |
| med. | rhesus factor | factor Rh |
| med. | rheumatoid factor | anticuerpos reumatoideos |
| med. | rheumatoid factor | factor reumatoide |
| med. | rho factor | Rho |
| mater.sc. | safety factor | coeficiente de seguridad |
| gen. | safety factor | factor de seguridad |
| mater.sc., construct. | safety factor against shear failure | coeficiente de seguridad al cortante |
| mater.sc., construct. | safety factor against shear failure | coeficiente de seguridad al cizallamiento |
| mater.sc., construct. | safety factor against sliding | coeficiente de seguridad al deslizamiento |
| antenn. | screen-factor | factor de pantalla |
| med. | screening for risk factors | búsqueda de factores de riesgo |
| energ.ind., el. | secondary emission factor | relación de emisión secundaria |
| fishery | shore development factor | índice de desarrollo de la costa |
| fishery | shore development factor | índice de desarrollo costero |
| pack. | shrinkage factor | factor de retracción tras el moldeo |
| pack. | shrinkage factor | postcontracción |
| pack. | shrinkage factor | retracción |
| gen. | "site and sector factor" method | método basado en el "factor del emplazamiento y del sector" |
| gen. | site population factor method | método basado en el factor demográfico del emplazamiento |
| gen. | site-plant interaction factors | factores relativos a la interacción emplazamiento-central |
| med. | sixteen personality factor questionnaire | modelo de Catell |
| med. | skin factor | ácido paraaminobenzóico |
| med. | skin factor | factor cutáneo |
| med. | skin factor | vitamina seborréica |
| med. | skin factor | biotina |
| med. | skin factor | vitamina H |
| med. | S.L.R. factor | ácido fólico |
| soil. | soil erodibility K-factor | factor K de susceptibilidad a la erosión del suelo |
| med. | soluble suppressor factor | factor supresor soluble |
| antenn. | spill-over factor | factor de desborde |
| antenn. | spill-over factor | eficiencia del alimentador |
| med. | spreading factor | factor de Duran-Reynolds |
| med. | spreading factor | hialuronidasa |
| gen. | standing wave loss factor | factor de pérdida de onda estacionaria |
| mater.sc. | storage factor | coeficiente de aprovechamiento de un almacén |
| mater.sc. | storage factor | coeficiente de ocupación de un almacén |
| mater.sc., mech.eng. | storage factor | tasa de relleno |
| mater.sc., met. | strain concentration factor | factor de concentración de deformaciones |
| med. | Streptococcus lactis R factor | ácido fólico |
| gen. | stress factors | factores tensionantes |
| med. | Stuart-Prower factor | factor Stuart-Prower |
| med. | susceptibility or protection factor | factor de susceptibilidad y protección |
| min.prod. | target factor | factor de selección |
| med. | T-cell growth factor | interleuquina-2 |
| med. | termination factor | factor de terminación |
| med. | test of personality factors | prueba l6-P-F de Cattell |
| mater.sc., met. | the form factor is characteristic of the discontinuity | el factor de forma es un característica de la inestabilidad |
| med. | therapeutic plasma level of Factor VIII activity | nivel plasmático terapéutico de actividad del factor VIII |
| med. | thymocyte stimulating factor | interleuquina-2 |
| med. | thyrotropin-releasing factor | hormona liberadora de TSH |
| med. | thyrotropin-releasing factor | tiroliberina |
| med. | thyrotropin-releasing factor | hormona liberadora de tirotropina |
| med. | thyrotropin-releasing factor | hormona liberadora de tirotrofina |
| med. | tissue factor | trombocinasa |
| med. | tissue factor | tromboplastina tisular |
| gen. | transient nuclear hot channel factor | factor da canal caliente nuclear transitorio |
| antenn. | transition factor | coeficiente de reflexión |
| med. | tumor necrosis factor | factor de necrosis tumoral |
| med. | tumour necrosis factor | factor de necrosis tumoral |
| gen. | uncovered lapse factor deduction | deducción inaplicada por coeficiente de descuento por vacantes |
| med. | underlying factors of consciousness | factores subyacentes de la consciencia |
| med. | vitamin K-dependent coagulation factor | factor de coagulación dependiente de la vitamina K |
| antenn. | voltage factor | factor de amplificación |
| med. | von Willebrand factor | FvW |
| med. | von Willebrand factor | factor de von Willebrand |
| med. | Warburg factor | fermento de Warburg |
| antenn. | wavelength reduction factor | factor de reducción de longitud de onda |
| gen. | wetness factor | tasa de humedad |
| gen. | wetness factor | grado de humedad |
| med. | Y factor | vitamina antiacrodínica |
| med. | Y factor | adermina |
| med. | Y factor | vitamina antidermatitis |
| med. | Y factor | piridoxina |
| med. | Y factor | vitamina B6 |
| med. | yesteluate factor | vitamina antiacrodínica |
| med. | yesteluate factor | adermina |
| med. | yesteluate factor | vitamina antidermatitis |
| med. | yesteluate factor | piridoxina |
| med. | yesteluate factor | vitamina B6 |
