| Subject | English | Spanish |
| transp., construct. | apex of the theoretical triangle | vértice del triángulo teórico |
| transp., avia. | chief theoretical knowledge instructor | instructor jefe de conocimientos teóricos |
| nat.sc. | composite theoretical performance | funcionamiento teórico compuesto |
| earth.sc., mech.eng. | effective theoretical head | altura teórica efectiva |
| earth.sc., mech.eng. | effective theoretical head | altura manométrica ideal con un número finito de álabes |
| health., nat.sc. | estimated theoretical exposure | exposición teórica calculada |
| chem. | height equivalent of theoretical plate | altura equivalente a un plato teórico |
| chem. | height equivalent to theoretical plate | altura equivalente a un plato teórico |
| earth.sc., mech.eng. | ideal theoretical head | altura teórica infinita |
| earth.sc., mech.eng. | ideal theoretical head | altura interna ideal para un conjunto de álabes infinito |
| nat.sc., environ. | International Association of Theoretical and Applied Limnology | Asociación Internacional de Limnología Teórica y Aplicada |
| org.name. | International Association of Theoretical and Applied Limnology | AIL |
| nat.sc., UN | International Centre for Theoretical Physics | Centro Internacional de Física Teórica |
| el. | maximum theoretical numerical aperture | apertura numérica teórica máxima |
| IT, nat.sc., industr. | million theoretical operations per second | millón de operaciones teóricas por segundo |
| transp. | minimum theoretical headway | intervalo mínimo teórico |
| transp. | minimum theoretical headway | frecuencia técnica mínima |
| gen. | minimum theoretical knowledge for certification of chief engineer officers and second engineer officers | conocimientos teóricos mínimos para la titulación de maquinistas navales jefes y maquinistas navales primeros |
| chem. | number of theoretical plates | número teórico de platos |
| chem. | number of theoretical plates | número de platos teóricos |
| gen. | the tendency of theoretical | tendencia de las |
| earth.sc., el. | theoretical air | poder comburívoro |
| earth.sc., el. | theoretical air | aire teórico |
| earth.sc., mech.eng. | theoretical air consumption | consumo teórico de aire |
| earth.sc., el. | theoretical air requirement | poder comburívoro |
| earth.sc., el. | theoretical air requirement | aire teórico |
| chem. | theoretical air requirement for combustion | aire teórico |
| insur., environ., agric. | theoretical amount | cuantía teórica |
| insur. | theoretical amount of a benefit | cuantía teórica de una prestación |
| gen. | theoretical and | aspectos metodológicos y |
| social.sc. | theoretical approach | teoría discursiva |
| ed. | theoretical chemistry | quìmica teórica |
| life.sc. | theoretical circuit closure error | error teórico de cierre |
| commun., el. | theoretical cut-off frequency | frecuencia de corte teórica |
| transp. | theoretical diagram | diagrama teórico |
| tech. | theoretical dimension | cota teórica |
| stat. | theoretical distribution | distribución teórica |
| telegr. | theoretical duration of a significant interval | duración teórica de un intervalo significativo |
| met. | theoretical endurance limit | límite teórico de fatiga |
| pharma. | Theoretical epidemiology | Epidemiología teórica |
| fin. | theoretical exchange rate | valor téorico |
| polit. | theoretical exercise | ejercicio teórico |
| met. | theoretical fatigue limit | límite teórico de fatiga |
| mech.eng. | theoretical field capacity | capacidad teórica de trabajo |
| commun. | theoretical final route | ruta teórica de última elección |
| earth.sc., mech.eng. | theoretical force | fuerza teórica |
| gen. | theoretical frame | marco teórico |
| math. | theoretical frequencies | esperanza de frecuencias |
| stat. | theoretical frequencies | frecuencias esperadas |
| math. | theoretical frequencies | frecuencia esperada |
| math. | theoretical frequencies | frecuencias teóricas |
| stat. | theoretical frequency | frecuencia teórica |
| stat. | theoretical frequency | frecuencia prevista |
| fin. | theoretical futures price | precio teórico del futuro |
| fin. | theoretical futures price | precio justo |
| IT | theoretical gaussian value | valor gausiano teórico |
| earth.sc. | theoretical gradient | rampa ficticia |
| transp., mater.sc. | theoretical graph of train running | gráfico teórico |
| earth.sc., mech.eng. | theoretical head with finite number of blades | altura teórica efectiva |
| earth.sc., mech.eng. | theoretical head with finite number of blades | altura manométrica ideal con un número finito de álabes |
| earth.sc., mech.eng. | theoretical head with infinite number of blades | altura teórica infinita |
| earth.sc., mech.eng. | theoretical head with infinite number of blades | altura interna ideal para un conjunto de álabes infinito |
| transp. | theoretical headway | intervalo mínimo teórico |
| transp. | theoretical headway | frecuencia técnica mínima |
| transp. | theoretical intersection point of crossing | punta matemática de cruzamiento |
| ed. | theoretical lesson | curso teórico (lectio magistralis) |
| gen. | theoretical level | nivel teórico |
| construct. | theoretical line | trazado teórico |
| commun. | theoretical load capacity | capacidad teórica de carga |
| life.sc., construct. | theoretical location | posición teórica |
| telegr. | theoretical margin | margen teórico |
| met. | theoretical mass | masa teorica |
| pest.contr. | theoretical maximum daily intake | ingesta diaria máxima teorica |
| transp., mater.sc. | theoretical measuring range | campo de medida teórica |
| life.sc. | theoretical meteorology | meteorología teórica |
| el. | theoretical midpoint | punto medio teórico |
| mater.sc. | theoretical model | modelo teórico |
| transp. | theoretical nose | punta teórica de cruzamiento |
| earth.sc., mech.eng. | theoretical oil volume | volumen teórico de fluido hidráulico |
| earth.sc., mech.eng. | theoretical oil volume | cilindrada geométrica |
| environ. | theoretical oxygen demand | demanda teórica de oxígeno |
| life.sc., chem. | theoretical oxygen demand | DThO |
| IT | theoretical performance | funcionamiento teórico |
| ed. | theoretical physics | fìsica teórica |
| earth.sc. | theoretical pitch | paso teórico |
| chem. | theoretical plate | plato teórico |
| chem. | theoretical plate height | altura equivalente a un plato teórico |
| chem. | theoretical plate number | número teórico de platos |
| transp. | theoretical point of deviation of switch | punta matemática de aguja |
| commun., IT | theoretical position | posición teórica |
| earth.sc., transp. | theoretical power | potencia calculada |
| earth.sc., transp. | theoretical power | potencia teórica |
| math. | theoretical probability | probabilidad teórica |
| fin. | theoretical probable rate | tasa teórica probable |
| earth.sc., construct. | theoretical recovery of head | recuperación teórica de carga |
| IT, el. | theoretical relation | relación teórica |
| transp., tech., law | theoretical rim | llanta teórica |
| transp. | theoretical running time | tiempo de recorrido teórico |
| life.sc. | theoretical size of map | formato teórico de un mapa |
| transp., construct. | theoretical span | luz teórica |
| transp. | theoretical span | luz de cálculo |
| transp. | theoretical speed | velocidad teórica |
| transp. | theoretical speed | velocidad instantánea autorizada |
| fin. | theoretical spot rate curve | curva teórica de tipos implícitos |
| chem. | theoretical stage | plato teórico |
| mater.sc., chem. | theoretical strength | resistencia teórica |
| lab.law. | theoretical strength | plantilla teórica |
| lab.law. | theoretical strength | plantilla nominal |
| transp., met. | theoretical thread height | altura teórica de rosca |
| econ., agric. | theoretical tractor | tractor teórico |
| tech. | theoretical value | valor teórico |
| math. | theoretical variable | variable teórica |
| mech.eng. | theoretical verification of the drawbar | comprobación teórica del enganche |
| mech.eng. | theoretical yield | rendimiento teórico |
| el. | theoretical zenith attenuation value | valor teórico de la atenuación cenital |
