| Subject | English | Spanish |
| dialys. | autonomous tertiary non-transplanting centre | centro terciario autónomo (excluyendo los trasplantes) |
| chem. | ethyl tertiary butyl ether | eter etilterciobutílico |
| ed. | first stage of tertiary education | primer ciclo de la educación terciaria |
| chem. | methyl tertiary butyl ether | eter metílico de tert-butilo |
| chem. | methyl tertiary butyl ether | metil-terbutiléter |
| chem. | methyl tertiary butyl ether | eter metilterciobutílico |
| chem. | methyl-tertiary-butylether | metilterbutil éter |
| earth.sc. | post-tertiary | cuaternario |
| ed. | post-secondary non-tertiary education | enseñanza postsecundaria, no terciaria |
| med. | precipitate tertiary stage | estadio terciario precoz |
| med. | protein tertiary structure | estructura terciaria de la proteina |
| fin., ed. | public spending on tertiary education | gasto público en enseñanza superior |
| ed. | second stage of tertiary education | segundo ciclo de la educación terciaria |
| stat. | spending on teaching materials,tertiary | gasto en materiales didácticos, enseñanza superior |
| chem. | tertiary alcohol | alcohol terciario |
| chem. | tertiary amide | amida terciaria |
| textile | tertiary amine | amina terciaria |
| oil, chem. | tertiary-amyl ethyl ether | éter terciario-amil-etílico |
| oil, chem. | tertiary amyl methyl ether | éter terciario-amil-metílico |
| med. | tertiary autonomy | autonomía terciaria |
| chem. | tertiary base | base terciaria |
| work.fl. | tertiary bibliography | bibliografía terciaria |
| food.ind. | tertiary buthylhydroquinone | terbutilhidroquinona |
| chem. | tertiary-butyl | butilo terciario |
| food.ind. | tertiary-butylhydroquinone | terbutilhidroquinona |
| food.ind. | tertiary-butylhydroquinone | 2-1,1-dimetiletil-1,4-bencenodiol |
| food.ind. | tertiary-butylhydroquinone | terc-butil-1,4-bencenodiol |
| food.ind. | 3-tertiary-butyl-4-hydroxyanisole | butilhidroxianisol |
| food.ind. | 3-tertiary-butyl-4-hydroxyanisole | butil hidroxianisol |
| food.ind. | 3-tertiary-butyl-4-hydroxyanisole | E 320 |
| food.ind. | 3-tertiary-butyl-4-hydroxyanisole | BHA |
| food.ind. | 3-tertiary-butyl-4-hydroxyanisole | 3-terc-butil-4-hidroxianisol |
| agric. | tertiary canal | canal terciario |
| agric. | tertiary canal | canales terciarios |
| med. | tertiary care | asistencia terciaria |
| UN, AIDS. | tertiary care centres | centros de atención terciaria |
| life.sc. | tertiary circulation | circulación terciaria |
| environ. | tertiary consumer | consumidor terciario |
| environ. | tertiary consumer | consumidor de tercer orden |
| nat.sc. | tertiary consumers | consumidores terciarios |
| transp., construct. | tertiary crusher | machacadora terciaria |
| ed. | tertiary degree | título de enseñanza superior |
| pwr.lines. | tertiary digital group | grupo digital terciario |
| commun. | tertiary digital muldex | múldex digital terciario |
| work.fl., IT | tertiary document | documento terciario |
| work.fl. | tertiary documents | publicación terciaria |
| comp., MS | tertiary domain | dominio terciario (" A DNS domain located directly beneath another domain name (the parent domain) in the namespace tree. For example, "example.microsoft.com" would be a subdomain of the domain "microsoft.com".") |
| IMF. | tertiary economy | economía terciaria |
| IMF. | tertiary economy | economía de servicios |
| ed. | tertiary education | educación terciaria |
| UN, health. | tertiary education | ciclo de enseñanza superior general |
| ed. | tertiary education | enseñanza superior |
| ed. | tertiary education | educación superior |
| mech.eng., el. | tertiary energy driven heat pump | bomba de calor de energía terciaria |
| earth.sc. | tertiary era | era terciaria |
| ecol. | tertiary function | función terciaria |
| commun., IT | tertiary group | grupo terciario |
| med. | tertiary health care | asistencia terciaria |
| transp. | tertiary hole | orificio de dilución |
| med. | tertiary hyperparathyroidism | hiperparatiroidismo terciario |
| environ. | tertiary lagoon | laguna de lodos terciarios |
| work.fl. | tertiary literature | publicación terciaria |
| dialys. | tertiary nephrology/transplant centre | centro terciario dedicado a la nefrología y a los trasplantes |
| environ. | tertiary packaging | envase terciario |
| environ. | tertiary packaging | envase de transporte |
| chem. | tertiary phosphate | fosfato terciario |
| med. | tertiary prevention | prevención terciaria |
| R&D. | tertiary production | producción terciaria |
| work.fl. | tertiary publications | publicación terciaria |
| ed. | tertiary school enrollment | escolarización en enseñanza superior |
| environ. | tertiary sector The part of a country or region's economy that produces services or assets lacking a tangible and storable form | sector terciario |
| econ. | tertiary sector | sector terciario |
| construct. | tertiary site development | obras de infraestructura |
| work.fl. | tertiary sources | publicación terciaria |
| med. | tertiary structure prediction | predicción de la estructura tridimensional |
| med. | tertiary syphilis | sífilis terciaria |
| environ. | tertiary treatment The process which remove pollutants not adequately removed by secondary treatment, particularly nitrogen and phosphorus; accomplished by means of sand filters, microstraining, or other methods (referring to wastewater treatment) | tratamiento terciario |
| environ. | tertiary treatment | tratamiento terciario |
| water.res. | tertiary treatment | tratamiento avanzado del agua |
| IT | tertiary voice path | trayecto terciario de la voz |
| environ. | tertiary waste treatment | tratamiento terciario de aguas residuales |
| environ. | tertiary water treatment | tratamiento avanzado del agua |
| environ. | tertiary water treatment | tratamiento terciario del agua |
| tech. | tertiary winding | arrollamiento terciario |
| tech. | tertiary winding | devanado terciario |
| ed. | trans-European mobility at tertiary education level | movilidad transeuropea en la enseñanza superior |
| environ. | transport packaging or tertiary packaging | envase terciario o envase de transporte |
