| Subject | English | Spanish |
| gen. | A spider has eight legs | Una araña tiene ocho patas |
| tech. | air Medal with Eight Oak Leaf Cluster | medalla de aviación con ocho ramos de hojas de roble |
| gen. | at eight | a las ocho |
| gen. | at eight in the morning | a las ocho de la mañana |
| gen. | Convention for the Partial Revision of the Conventions Adopted by the General Conference of the International Labour Organisation at Its First Twenty-eight Sessions for the Purpose of Making Provision for the Future Discharge of Certain Chancery Functions Entrusted by the Said Conventions to the Secretary-General of the League of Nations and Introducing therein Certain Further Amendments Consequential upon the Dissolution of the League of Nations and the Amendment of the Constitution of the International Labour Organisation | Convenio sobre la revisión de los artículos finales, 1946 |
| gen. | Convention for the Partial Revision of the Conventions Adopted by the General Conference of the International Labour Organisation at Its First Twenty-eight Sessions for the Purpose of Making Provision for the Future Discharge of Certain Chancery Functions Entrusted by the Said Conventions to the Secretary-General of the League of Nations and Introducing therein Certain Further Amendments Consequential upon the Dissolution of the League of Nations and the Amendment of the Constitution of the International Labour Organisation | Convenio por el que se revisan parcialmente los Convenios adoptados por la Conferencia General de la OIT, en sus veintiocho primeras reuniones |
| social.sc. | Convention Limiting the Hours of Work in Industrial Undertakings to Eight in the Day and Forty-eight in the Week | Convenio por el que se limitan las horas de trabajo en las empresas industriales a ocho horas diarias y cuarenta y ocho semanales |
| gen. | Convention Limiting the Hours of Work in Industrial Undertakings to Eight in the Day and Forty-eight in the Week | Convenio sobre las horas de trabajo industria, 1919 |
| transp., avia. | cuban eight | ocho cubano |
| gen. | do you have eight more? | ¿tienen ocho más? |
| nat.sc., agric. | eight-bar grouper | mero de ocho bandas (Epinephelus octofasciatus) |
| tech. | eight bend offset | pieza de inflexión con transición a 22, 5 grados |
| IT, dat.proc. | eight-bit byte | byte |
| IT, dat.proc. | eight-bit byte | octeto |
| commun., IT | eight-bit word | palabra de 8 bits |
| IT | eight-channel system | sistema de ocho canales |
| commun. | eight-contact plug | clavija de 8 contactos |
| med. | eight cranial nerve | nervio acústico (nervus acusticus, nervus cochlearis) |
| industr., construct. | eight-day alarm clock | despertador de ocho días |
| industr., construct. | eight-day watch | reloj de ocho días |
| gen. | eight degrees | ocho grados |
| entomol. | eight-dentated bark beetle | barrenillo tipógrafo del abeto rojo Ips typographus |
| nat.sc., agric. | eight-dentated bark beetle | barrenillo tipógrafo del abeto rojo (Ips japonicus, Ips typographus, Tomicus typographus) |
| chem. | eight-end twill | sarga de 8 |
| chem. | eight-end twill | sarga de 1 a 7 |
| chem. | eight-harness satin | sarga de 1 a 7 |
| chem. | eight-harness satin | sarga de 8 |
| lab.law. | eight-hour day | jornada de ocho horas |
| gen. | eight hundred | ochocientos |
| baseb. | eight-hundred | ochocientos |
| gen. | eight in notes and two in change | ocho en billetes y dos en moneda |
| gen. | Eight is a lucky number | El ocho es un número de la suerte |
| IT | eight-level code | código de ocho niveles |
| IT | eight-level code | código de nivel ocho |
| industr., construct. | eight-lock | tejido de punto de ocho cerrojos |
| med. | eight nerve cranial | nervio acústico (par octavum) |
| med. | eight nerve cranial | octavo par (par octavum) |
| med. | eight nerve cranial | octavo nervio craneal (par octavum) |
| med. | eight nerve cranial | nervio auditivo (par octavum) |
| aeron. | eight of pylon | ocho sobre un punto de referencia |
| med. | eight pair | octavo nervio craneal (par octavum) |
| med. | eight pair | octavo par (par octavum) |
| med. | eight pair | nervio acústico (par octavum) |
| med. | eight pair | nervio auditivo (par octavum) |
| mech.eng. | eight part reeving | polipasto de ocho ramales |
| commun., IT | eight-phase modulation | modulación octofásica |
| IT | eight-phases modulation | modulación en ocho fases |
| IT | eight-phases transmission | transmisión en ocho fases |
| IT | eight-pin connector | conector de 8 terminales |
| transp., tech. | eight-point hesitation roll | tambor a facetas en 8 puntos |
| earth.sc., el. | eight-pole double throw toggle switch | interruptor basculante octopolar |
| earth.sc., el. | eight-pole double throw toggle switch | interruptor de palanca octopolar de doble hilo |
| automat. | eight-shaped pattern | patrón de cifras |
| gen. | eight-shaped 8 test sample | probeta octogonal para medir la plasticidad |
| IMF. | Eight Special Recommendations | 9 Recomendaciones Especiales sobre la financiación del terrorismo |
| IMF. | Eight Special Recommendations | 8 Recomendaciones Especiales sobre la financiación del terrorismo |
| entomol. | eight-spined engraver | barrenillo tipógrafo del abeto rojo Ips typographus |
| nat.sc., agric. | eight-spined engraver | barrenillo tipógrafo del abeto rojo (Ips japonicus, Ips typographus, Tomicus typographus) |
| entomol. | eight spots biting midge | culicoide con ocho señales Culicoides octosignatus |
| entomol. | eight spots biting midge | purruja de ocho puntos Culicoides octosignatus |
| entomol. | eight spots biting midge | purruja con ocho manchas Culicoides octosignatus |
| entomol. | eight spots biting midge | purruja con ocho señales Culicoides octosignatus |
| entomol. | eight spots biting midge | culicoide con ocho manchas Culicoides octosignatus |
| entomol. | eight spots biting midge | culicoide de ocho puntos Culicoides octosignatus |
| tech., industr., construct. | eight strand plaited rope | cuerda trenzada de ocho cabos |
| gen. | eight things | ocho cosas |
| entomol. | eight-thoothed bark beetle | barrenillo tipógrafo del abeto rojo Ips typographus |
| gen. | eight times | ocho veces |
| snd.rec. | eight-to-fourteen modulation | modulación ocho a catorce |
| snd.rec. | eight-to-fourteen modulation | EFM |
| forestr. | eight-toothed bark beetle | Ips typographus L. |
| entomol. | eight-toothed larch bark-beetle | barrenillo del alerce Ips cembrae Heer |
| transp. | eight-wheeled equipment | material móvil de bogies |
| el. | figure-eight microphone | micrófono con figura de ocho |
| med. | figure-eight suture | sutura ensortijada |
| med. | figure-eight suture | sutura entortijada |
| med. | figure-eight suture | sutura entortiilada |
| earth.sc., mech.eng. | figure of eight area | sección en forma de ocho |
| earth.sc., mech.eng. | figure of eight bore | escariado en forma de ocho |
| earth.sc., mech.eng. | figure of eight bore | escariado doble |
| pest.contr. | figure of eight moth | oruga verde del almendro Episema coeruleocephala |
| nat.sc., agric. | figure of eight moth | gusano verde del almendro (Diloba caeruleocephala, Episema caeruleopcephala) |
| tech. | figure-of-eight | figura de ocho |
| tech. | figure-of-eight | lemniscata |
| tech. | figure-of-eight | curva estudiada por Bernoulli por lo cual se la llama también lemniscata de Bernoulli, quién la definió como el lugar geométrico de los puntos tales que el producto de sus distancias a dos puntos fijos es constante e igual al cuadrado de la semidistancia entre estos últimos |
| meas.inst. | figure-of-eight calipers | compás doble |
| meas.inst. | figure-of-eight callipers | compás doble |
| commun., el. | figure-of-eight diagram | diagrama en ocho |
| med. | figure-of-eight ligature | ligadura en 8 |
| tech. | figure-of-eight or lemniscate | curva plana semejante a un ocho |
| commun., el. | figure-of-eight reception | recepción diagrama en ocho |
| IMF. | forty-eight-hour report | informe dentro de las cuarenta y ocho horas |
| IMF. | forty-eight-hour report | informe al regreso de una misión |
| IMF. | forty plus eight recommendations | Cuarenta Recomendaciones y Ocho Recomendaciones Especiales del GAFI |
| IMF. | forty plus eight recommendations | 40 + 8 recomendaciones del GAFI |
| lat.amer. | Group of Eight | Grupo de los Ocho |
| org.name. | Group of Eight | Grupo de los 8 |
| gen. | Group of Eight Roma-Lyon Group | Grupo Roma-Lyon |
| immigr. | Group of Eight Roma-Lyon Group, Migration Experts Sub-Group | subgrupo de expertos en migración Roma / Lyon del G8 |
| gen. | how much is eight less five? | ¿cuánto es ocho menos cinco? |
| gen. | I go up at eight o’clock | yo subo a las ocho |
| gen. | it is a quarter to eight | son las ocho menos cuarto |
| gen. | it is eight fifteen in the morning | son las ocho y cuarto de la mañana |
| med. | Kobe-Eight fever | fiebre Kobe-8 |
| hobby, transp., avia. | lazy eight | vuelo en ocho |
| photo. | lazy eight | infinito |
| astronaut., transp. | lazy eight | ocho perezoso |
| photo. | lazy eight | trayectoria de vuelo en forma de ocho |
| avia. | lazy eight | ocho vertical |
| gen. | number eight | número ocho |
| health. | point appearance of a distant eight | visión puntual |
| tech. | straight eight engine | motor de ocho cilindros en línea |
| comp., MS | strong password (A password that cannot be easily guessed or cracked. A strong password is at least eight characters long, does not contain all or part of the user's account name, and contains at least three of the four following categories of characters: uppercase characters, lowercase characters, numbers, and symbols found on the keyboard (such as !, | contraseña segura |
| gen. | The Eight | Grupo de los Ocho |
| gen. | we work for eight hours | nosotros trabajamos ocho horas |
| gen. | You should sleep at least eight hours every night | Deberías dormir al menos ocho horas cada noche |