| Subject | English | Spanish |
| IT, el. | active elementary components | componentes elementales activos |
| IT, el. | active elementary components | componente activo |
| ed. | adult elementary education | educación básica de adultos |
| ed. | adult elementary education | educación elemental para adultos |
| med. | direct elementary menace | amenaza vital |
| gen. | elementary aerial | elemento de antena |
| coal., chem. | elementary analysis | análisis elemental |
| ed. | Elementary and Secondary Education Act | ley de educación primaria y secundaria |
| ed. | Elementary and Secondary Education Act of 1965 | Ley de Educación Primaria y Secundaria de 1965 |
| antenn. | elementary antenna | elemento de antena |
| earth.sc. | elementary attenuation of propagation | atenuación elemental de propagación acústica |
| med. | elementary auto-analysis | autoanálisis elemental |
| med. | elementary blood cell | célula hemática |
| med. | elementary body | plaqueta sanguínea |
| med. | elementary body | corpúsculo de Hayem |
| med. | elementary body | corpúsculo de Zimmermann |
| med. | elementary body | partícula elemental de Zimmermann |
| med. | elementary body | trombocito |
| el. | elementary cable section | sección elemental de cable |
| pwr.lines. | elementary cable section | sección elemental de amplificación no utilizar |
| med. | elementary cell | célula embrionaria |
| med. | elementary cell | célula formativa |
| mineral. | elementary cell | célula elemental |
| med. | elementary cell | célula primordial |
| med. | elementary cell | célula primitiva |
| earth.sc., tech. | elementary charge | carga eléctrica elemental |
| earth.sc., tech. | elementary charge | carga elemental |
| IT | elementary computer | ordenador rudimentario |
| earth.sc. | elementary conduction current | corriente elemental de conducción |
| earth.sc. | elementary conduction current | corriente elemental |
| math. | elementary contrast | contraste elemental |
| el. | elementary current diagram | diagrama elemental de corriente |
| ed. | elementary cycle | enseñanza primaria |
| ed. | elementary cycle | educación primaria |
| IT | elementary data item | elemento de datos |
| IT | elementary data item | campo |
| comp., MS | elementary data type | tipo de datos básico (A simple data type, such as Boolean, Long, or Decimal) |
| el., acoust. | elementary dephasing of sound propagation | desfase elemental de propagación acústicar |
| earth.sc. | elementary dephasing of sound propagation | desfase elemental de propagación acústica |
| water.res. | elementary discharge | caudal elemental |
| el. | elementary echo | eco elemental |
| account. | elementary economic decision-making centre | centro elemental de decisión económica |
| ed. | elementary education | educación primaria |
| polit. | elementary education | enseñanza elemental (primary education, enseñanza primaria) |
| polit. | elementary education primary education | enseñanza elemental (enseñanza primaria) |
| ed. | elementary education | enseñanza primaria |
| earth.sc., tech. | elementary electric charge | carga elemental |
| earth.sc., tech. | elementary electric charge | carga eléctrica elemental |
| magn. | elementary electric dipole | dipolo eléctrico elemental |
| med. | elementary epileptic taste crisis | crisis epiléptica elemental gustativa |
| el. | elementary exponent of sound propagation | exponente elemental de propagación acústica |
| nat.sc., chem. | elementary fabric | fabrica elemental |
| nat.sc., chem. | elementary fabric | contextura elemental |
| med. | elementary features | cualidades elementales |
| med. | elementary features | características elementales |
| el. | elementary frequency | frecuencia elemental |
| med. | elementary function | función elemental |
| commun., IT | elementary functions for connection processing | funciones elementales para tratamiento de conexiones |
| med. | elementary gene | gen elemental |
| med. | elementary granules | quilomicrones |
| med. | elementary granules | chilomicrones |
| med. | elementary granules | polvo de la sangre |
| med. | elementary granules | cuerpos refringentes de la sangre |
| med. | elementary granules | fragmentos de los corpúsculos sanguíneos |
| med. | elementary granules | hemoconia |
| med. | elementary hallucination | alucinación elemental |
| IT | elementary instruction | microinstrucción |
| IT | elementary instruction | instrucción elemental |
| IT | elementary item | dato elemental |
| med. | elementary lesion | lesión elemental |
| magn. | elementary magnetic dipole | dipolo magnético elemental |
| med. | elementary membran | membrana elemental |
| med. | elementary organism | organismo elemental |
| phys.sc. | elementary particle | partícula fundamental |
| phys.sc. | elementary particle | partícula elemental |
| ed. | elementary particle physics | fìsica de partìculas elementales |
| el. | elementary period | período elemental |
| supercond. | elementary pinning force | fuerza elemental de anclaje |
| stat. | elementary plot | parcela primaria |
| el. | elementary regenerated section | sección elemental con regeneración |
| el. | elementary regenerated section | sección elemental de regeneración |
| el. | elementary regenerated section | sección de regeneración |
| pwr.lines. | elementary regenerated section | sección elemental regenerada |
| el. | elementary regenerator section | sección elemental con regeneración |
| el. | elementary regenerator section | sección elemental de regeneración |
| el. | elementary regenerator section | sección de regeneración |
| pwr.lines. | elementary regenerator section | sección elemental regenerada |
| PSP | elementary relay | relé elemental |
| PSP | elementary relay | relé de tiempo no especificado desaconsejado |
| math. | elementary renewal theorem | teorema de renovación elemental |
| pwr.lines. | elementary repeater section | sección elemental de repetidor |
| IT | elementary repeater section | sección elemental de repetición |
| el. | elementary repeater section | sección elemental con amplificación |
| pwr.lines. | elementary repeater section | sección elemental amplificada |
| pwr.lines. | elementary repeatered section | sección elemental de repetidor |
| el. | elementary repeatered section | sección elemental con amplificación |
| pwr.lines. | elementary repeatered section | sección elemental amplificada |
| stat. | elementary sample point | punto de muestreo elemental |
| ed. | elementary school | escuela primaria |
| ed. | elementary school | escuela de enseñanza primaria |
| law | elementary school age | edad de escuela primaria |
| cables | elementary section | sección elemental |
| el. | elementary semiconductor | semiconductor elemental |
| cryptogr. | elementary sound | fonema |
| med. | elementary structures | estructuras elementales |
| med. | elementary therapy | tratamiento de los trastornos de las funciones vitales |
| textile | elementary time | tiempo elemental |
| IT, el. | elementary timescales | escalas de tiempo elementales |
| econ. | elementary transaction between two economic units | transacción elemental entre dos unidades |
| stat. | elementary unit | unidad estadística |
| math. | elementary unit | unidad elemental |
| med. | elementary vertebra diagram | vértebra elemental |
| earth.sc., el. | peak amplitude of an elementary echo | amplitud de cresta de un eco elemental |
| ed. | pre-elementary education | educación preescolar |
| earth.sc., el. | relative amplitude of an elementary echo | amplitud relativa de un eco elemental |
| scient. | theory of elementary particles | teoria de las particulas elementales |
| med. | Zimmermann's elementary particle Zimmermann's corpuscle | partícula elemental de Zimmermann |
| med. | Zimmermann's elementary particle Zimmermann's corpuscle | corpúsculo de Hayem |
| med. | Zimmermann's elementary particle Zimmermann's corpuscle | corpúsculo de Zimmermann |
| med. | Zimmermann's elementary particle Zimmermann's corpuscle | plaqueta sanguínea |
| med. | Zimmermann's elementary particle Zimmermann's corpuscle | trombocito |