| Subject | English | Spanish |
| health. | a device for determining the relationship of different brightnesses by the method of equal sensation intervals | signo de Delboeuf |
| comp., MS | adaptive brightness | brillo adaptable (Automatic display adjustment that changes the brightness of your PC screen (laptop and desktop) using light environment information provided by the ambient light sensor) |
| commun., el. | automatic brightness control | control automático de luminosidad |
| IT, nat.sc. | automatic brightness control | control automático de brillo |
| automat., meas.inst. | automatic brightness control | regulación automática de la luminosidad |
| med. | binocular brightness | luminosidad binocular |
| health. | brightness contrast | contraste de luminosidad fotométrico |
| commun., el. | brightness control | regulador del brillo |
| meas.inst. | brightness control | regulación de la luminosidad |
| auto. | brightness control | control de intensidad |
| photo. | brightness control lens | lente de control de brillantez (o brillo) |
| comp., MS | Brightness, Decrease | Brillo reducido (A filter effect in Windows Movie Maker) |
| med. | brightness flicker | centelleo de hiperluminosidad |
| comp., MS | Brightness, Increase | Brillo aumentado (A filter effect in Windows Movie Maker) |
| el. | brightness level | brillo |
| meas.inst. | brightness measurement | medida de la luminosidad |
| meas.inst. | brightness meter | medidor de intensidad luminosa |
| el. | brightness meter | nitómetro |
| meas.inst. | brightness meter | medidor de brillo |
| commun. | brightness of a signal light | brillo de una luz de señal |
| rem.sens. | brightness range | variación de luminosidades |
| meteorol. | brightness range | gama de brillo |
| commun. | brightness ratio | contraste de brillos |
| health. | brightness relief | relieve de la transparencia |
| tech., industr., construct. | brightness reversion | amarillez |
| tech., industr., construct. | brightness reversion | amarilleamiento |
| tech., industr., construct. | brightness reversion | amarillamiento |
| rem.sens. | brightness scale | escala de luminosidad |
| el. | brightness step | brillo |
| commun. | brightness temperature | temperatura de brillo |
| commun. | brightness temperature | temperatura equivalente |
| meteorol. | brightness temperature Tb | temperatura de emisión Tb |
| meteorol. | brightness temperature difference | diferencia de temperatura de brillo |
| antenn., opt. | brightness theorem | conservación de la radiación |
| antenn., opt. | brightness theorem | teorema de luminosidad obsoleto |
| antenn., opt. | brightness theorem | conservación de la luminosidad obsoleto |
| chem. | brightness to MgO | brillantez comparada con óxido de magnesio puro |
| el. | brightness voltage hysteresis | histéresis de voltaje de brillo |
| meteorol. | calibrated pixel brightness temperature values | valores calibrados de temperatura de brillo de los píxeles |
| antenn., opt. | conservation of brightness | conservación de la radiación |
| antenn., opt. | conservation of brightness | teorema de luminosidad obsoleto |
| antenn., opt. | conservation of brightness | conservación de la luminosidad obsoleto |
| meteorol. | darker brightness counts | valores de brillo oscuros |
| meas.inst. | equality of brightness photometer | fotómetro de igualdad de esplendor |
| light. | equality of brightness photometer | fotómetro de igualación de luminosidad |
| meas.inst. | equality of brightness photometer | fotómetro de igualdad de contraste |
| meteorol. | higher brightness counts | valores de brillo altos |
| transp., avia. | highlight brightness | brillo de alta intensidad |
| cultur. | image brightness | brillo de la imagen |
| auto. | instrument panel brightness control | control para la iluminación del tablero de instrumentos |
| automat. | master brightness control | regulador común de la luminosidad |
| meteorol. | medium brightness counts selectively enhanced | valores de brillo medios realzados de forma selectiva |
| rem.sens. | subjective brightness | luminosidad |
| meteorol. | surface brightness | brillo superficial |
| meteorol. | surface brightness | brillo de superficie |
| meteorol. | surface brightness temperature | temperatura de brillo de la superficie |
| earth.sc. | uniformity of brightness | uniformidad de brillo |
| tech. | variable brightness control | control de brillo variable |
| earth.sc., el. | voltage-variable-brightness diode | diodo de luminosidad variable con la tensión |