| Subject | English | Spanish |
| mun.plan., earth.sc. | air diffuser | difusor de aire |
| mech.eng. | annular diffuser | difusor anular |
| mech.eng., construct. | compression diffuser | difusor de compresión |
| transp., mech.eng. | compressor diffuser | difusor de compresor |
| tech. | diffuser aerators | difusores aireadores |
| tech. | diffuser assembly | conjunto difusor |
| earth.sc., transp. | diffuser buzz | zumbido de difusor |
| tech. | diffuser calibrated leak assembly | conjunto de escape regulado del difusor |
| tech. | diffuser calibrated leak assembly | conjunto de escape calibrado del difusor |
| tech. | diffuser chamber | cámara del difusor |
| mech.eng. | diffuser cone | cono de difusor |
| mech.eng. | diffuser cone | apertura de difusor |
| transp. | diffuser cone angle | ángulo del cono del difusor |
| tech. | diffuser duct | conducto difusor |
| transp. | diffuser efficiency | eficacia del difusor |
| environ. | diffuser head | distribuidor |
| agric. | diffuser lip | borde del difusor |
| earth.sc., mech.eng. | diffuser loss | pérdida por el ángulo de difusión |
| mater.sc. | diffuser nozzle | lanza difusora |
| el. | diffuser outlet | salida difusora |
| tech. | diffuser pipe | tubo difusor |
| el. | diffuser plate | placa difusora |
| avia. | diffuser section | sección difusora |
| mech.eng. | diffuser segment | segmento de difusor |
| mater.sc. | diffuser spray nozzle | lanza difusora |
| tech. | diffuser stone | piedra difusora |
| tech. | diffuser stone | piedra aireadora |
| life.sc. | diffuser-stone aerator | aireador con piedra difusora |
| mech.eng. | diffuser support cover | tapa portadifusor |
| earth.sc. | diffuser tunnel | túnel difusor |
| tech. | diffuser valve | válvula difusora |
| transp. | diffuser vane | álabe de difusor |
| mech.eng., construct. | diffuser vanes | aleta de difusión |
| mech.eng. | diffuser vanes of a centrifugal pump | difusor de bomba centrifuga |
| transp. | dump diffuser | difusor reductor |
| mech.eng., construct. | egg crate diffuser | difusor |
| tech. | engine diffuser section | sección difusora del motor |
| tech. | exhaust diffuser | difusor de escape |
| therm.eng. | First stage diffusers | difusores de la primera etapa |
| nucl.pow. | gaseous diffuser housing | caja de difusor gaseoso |
| el., industr. | gaseous diffuser housing | caja de difusores gaseosos |
| earth.sc., mech.eng. | hub diffuser | difusor de campana Conica |
| commun. | information diffuser | distribuidor de datos |
| chem. | inlet diffuser | difusor de entrada |
| tech. | interstage diffuser duct | conducto difusor de interetapa |
| tech. | interstage diffuser duct | conducto difusor de enlace |
| industr., construct. | light diffuser | difusor de luz |
| earth.sc., el. | light diffuser | difusor |
| patents. | light diffusers | difusores de luz |
| gen. | light diffusers | difusores alumbrado |
| mech.eng., construct. | lighting diffuser | difusor de luz |
| agric. | one-way blow diffuser | difusor de dirección única |
| pulp.n.paper | outfall diffuser | difusor de desagüe |
| mech.eng. | outlet diffuser | difusor de escape |
| chem. | outlet diffuser | difusor de salida |
| earth.sc. | perfect reflecting diffuser | difusor perfecto por reflexión |
| earth.sc. | perfect transmitting diffuser | difusor perfecto por transmisión |
| tech. | piggyback diffuser | difusor parásito |
| tech. | piggyback diffuser | difusor compuesto |
| tech. | propeller-diffuser aerator | impulsor-difusor aireador |
| tech. | propeller-diffuser aerator | bomba aspirante - impulsora |
| aerohydr. | shock diffuser | amortiguador |
| health. | sound diffuser | difusor de sonido |
| health. | sound diffuser | difusor acústico |
| agric., mater.sc. | spray diffuser | pulverizador de líquidos |
| agric., mater.sc. | spray diffuser | rociador de líquidos |
| earth.sc. | subsonic diffuser | difusor subsónico |
| tech. | supercharger diffuser plate | placa difusora del sobrealimentador |
| earth.sc. | supersonic diffuser | difusor supersónico |
| agric. | supply and return diffuser | difusor de insuflado y de recuperación |
| earth.sc. | uniform diffuser | difusor uniforme |
| energ.ind., mech.eng. | wind turbine with flapped ring wing diffuser | turbina eólica con difusor anular |