| Subject | Spanish | English |
| health. | absorción de luz preferente | preferential light absorption |
| textile | acción de la luz solar | effect of sunlight |
| automat. | adaptación automática a la luz de ambiente | automatic ambient-light adaptation |
| gen. | agrietamiento a causa de la luz solar | sun-cracking |
| gen. | agrietamiento a causa de la luz solar | sun-checking |
| industr., construct. | agrietamiento por la luz solar | sun-cracking |
| industr., construct. | agrietamiento por la luz solar | sun-checking |
| nat.sc. | ampliación de la luz por estímulos en la emisión de radiaciones | Light Amplification by Stimulated Emission of Radiation |
| nat.sc. | Amplificación de la luz por emisión estimulada de la radiación | Light Amplification by Stimulated Emission of Radiation |
| el. | aparato de luz intensivo | downlighter |
| el. | aparato de luz intensivo | downlight reflector |
| el. | aparato de luz intensivo | downlighting fitting |
| el. | aparato de luz intensivo | downlight |
| fin., polit., cultur. | aparato para la producción de la luz relámpago | photographic flashlight apparatus |
| meteorol. | aparato usado para determinar la visibilidad mediante la medición de la transmisión de la luz a través de la atmósfera | transmissometer |
| polit. | Asociación Luz y Esperanza para las Niñas Ciegas | Light and Hope Association for Blind Girls |
| el. | banda de la luz visible | visible band |
| auto. | bombillo de la luz delantera | sealed beam |
| tech. | bombillo de luz instantánea para fotografiar | photo-flash bulb |
| earth.sc., lab.law. | cantidad de luz que entra por las ventanas | light admission to windows |
| el. | característica de transferencia luz-señal | light signal transfer characteristic |
| econ. | categoría de "luz ambar" | amber-light category |
| tech. | circuito de la luz maestra de precaución | master caution light circuit |
| tech. | circuito individual de la luz de precaución | individual caution light circuit |
| earth.sc. | componente de cielo del factor de luz de día | sky component of daylight factor |
| earth.sc. | componente reflejada externa del factor de luz de día | externally reflected component of daylight factor |
| earth.sc. | componente reflejada interna del factor de luz de día | internally reflected component of daylight factor |
| gen. | conductor de luz solar | solar light well |
| tech. | conjunto de interruptor y de luz de instalación rápida | fast erect switch/light assembly |
| tech. | conjunto de la luz maestra de precaución | master caution light assembly |
| chem. | Conservar en un lugar fresco. Proteger de la luz del sol. | Keep cool. Protect from sunlight. |
| railw., sec.sys. | control de la luz de señal | signal light proving |
| textile | control de madurez por luz polarizada | immaturity polarized light test |
| gen. | cámara de luz residual | low-light-level camera |
| earth.sc., el. | célula solar sensible a la luz violeta | violet cell |
| auto. | degradación por luz ultravioleta | ultraviolet light degradation |
| med. | deslumbramiento por la luz reflejada | reflection dazzling |
| gen. | detector de llamas por luz ultravioleta | ultraviolet flame detector |
| tech. | detector de luz polarizada | polarized light detector |
| el. | detonación por luz de magnesio | detonative flashlight |
| antenn., opt. | diodo emisor de luz con emisión longitudinal | edge-emitting light emitting diode |
| antenn., opt. | diodo emisor de luz de emisión superficial | Burrus diode |
| antenn., opt. | diodo emisor de luz de emisión superficial | surface emitting light emitting diode |
| nat.sc. | dispositivo de tomoscopia en luz pulsada | range-gated illuminator |
| tech. | dispositivo para desviar el haz de luz de un faro | headlamp deflector |
| tech. | disyuntor de la luz de la válvula de cierre en vuelo del deflector aerodinámico | spoiler in flight shutoff valve arm light circuit breaker |
| meteorol. | duración de la luz del día | length of daylight |
| nat.sc., agric. | duración de la luz del sol | sunshine duration |
| fin., energ.ind. | Empresa de Luz y Fuerza de Cochabamba | Cochabamba Light and Power Company |
| earth.sc. | endoscopia con luz fría | cold-light endoscopy |
| med. | estrechamiento de la luz uretral | urethral stricture |
| med. | examen con luz de Wood | Wood's light examination |
| nat.sc. | examen por luz rasante | testing by oblique light |
| health. | exposición a luz intensa | exposure to intense light |
| earth.sc. | factor de luz de día | daylight factor |
| el. | faro de luz difusa | broad beam lamp |
| immigr., tech. | fibrilla visible a la luz ultravioleta | fibre which show up under ultra-violet light |
| chem. | fotómetro de luz dispersa | light scatter photometer |
| industr. | fuente de luz inseparable | permanently fixed light source |
| earth.sc. | haz de luz monocromática | monochromatic light beam |
| nat.sc. | haz de luz polarizada | beam of polarized light |
| meteorol. | haz de luz solar | solar beam |
| comp., MS | Indicador de luz ambiental | Ambient Light Indicator (An administration application to help you find lighting issues that affect a smaller area of the Surface screen. This tool can help you adjust the lighting or the unit position. You should use this tool every time that the Surface unit is moved to a new location or lighting is modified significantly) |
| gen. | inhibidor de agrietamiento a causa de la luz solar | sun-checking inhibitor |
| auto. | interruptor de la luz de freno | stop light switch |
| auto. | interruptor de la luz de frenos | brake light switch |
| auto. | interruptor de la luz del freno | stoplight switch |
| auto. | interruptor de la luz del freno | brake switch |
| agric., el. | interruptor de luz atenuada | dusk switch |
| auto. | interruptor en la puerta para la luz interior de la cabina | door light switch |
| auto. | interruptor para la luz de retroceso | backup light switch |
| auto. | interruptor para la luz de reversa | backup light switch |
| tech. | interruptor que prende y apaga una luz automáticamente a intervalos regulares | flasher |
| gen. | La luz es roja | The light is red |
| health. | limpieza de la luz de las arterias | unclogging obstructed arteries |
| health., nat.sc. | longitud de onda de la luz del láser | wavelength of light from a laser |
| light. | lugar de los estímulos de color luz de día | daylight locus |
| meas.inst. | lumenómetro para luz difusa | holophane lumeter |
| meas.inst. | lumenómetro para luz difusa | holophane lumenmeter |
| earth.sc. | luz actínica | actinic light |
| gen. | luz aeronáutica de superficie | aeronautical ground light |
| gen. | luz aeronáutica de tierra | aeronautical ground light |
| tech. | luz alta | high beam |
| el. | luz ambiente | ambient light |
| comp., MS | luz ambiente | ambient light (A type of light that appears as if it is coming from all directions. Use this when you want to light all objects evenly) |
| mil. | luz amortiguada | blackout light |
| earth.sc., el. | luz anticolisión | anti-collision light |
| tech. | luz anticolisión | anticollision light |
| light. | luz antiniebla delantera | front fog light |
| light. | luz antiniebla posterior | rear fog light |
| industr. | luz antiniebla trasera | rear fog lamp |
| life.sc. | luz antisolar | gegenschein |
| life.sc. | luz antisolar | counterglow |
| antenn. | luz anódica | anode glow |
| nat.sc., el. | luz artificial | artificial light |
| agric., el. | luz atenuada | dusk |
| tech. | luz avisadora | warning light |
| earth.sc., el. | luz avisadora de inyección | injection warning light |
| earth.sc., el. | luz avisadora de operación | operation warning light |
| tech. | luz baja | low beam |
| agric. | luz bajo bastidor | underbeam clearance |
| agric. | luz bajo el bastidor | underbeam clearance |
| agric. | luz bajo el bastidor | pitch |
| agric. | luz bajo el bastidor | plough pitch |
| agric. | luz bajo el bastidor | clearance under beam |
| nat.sc., transp. | luz catoptrica | catoptric light |
| antenn. | luz catódica | negative glow |
| life.sc. | luz celeste | airglow |
| life.sc. | luz celeste diurna | dayglow |
| life.sc. | luz celeste diurna | daytime airglow |
| life.sc. | luz celeste diurna | day airglow |
| life.sc. | luz celeste nocturna | nightglow |
| life.sc. | luz celeste nocturna | night sky radiation |
| construct. | luz cenital | skylight |
| gen. | luz centelleante | scintillating light |
| gen. | luz centelleante | quick flashing light |
| earth.sc., el. | luz cero de centrado de dirección | rudder trim light |
| phys.sc. | luz coherente | coherent light |
| earth.sc. | luz colimada | collimated light |
| auto. | luz concentrada | spotlight |
| agric., el. | luz crepuscular | dusk |
| tech. | luz de acosamiento | carry light |
| auto. | luz de advertencia | warning light |
| auto. | luz de advertencia | warning lamp |
| auto. | luz de advertencia de la presión de aceite | oil pressure warning light |
| auto. | luz de advertencia del freno | brake warning light |
| auto. | luz de advertencia del freno de estacionamiento | parking brake warning light (emergencia) |
| earth.sc., el. | luz de ajuste de profundidad | pitch trim light |
| mater.sc. | luz de alarma | warning light |
| earth.sc., el. | luz de alerta | warning light |
| el. | luz de alumbrado ocultable | concealable illuminating lamp |
| tech. | luz de aterrizaje | landing headlight |
| earth.sc., el. | luz de avería | malfunction light |
| earth.sc., el. | luz de avería | failure warning light |
| earth.sc., el. | luz de aviso | warning light |
| tech. | luz de aviso | telltale lamp |
| earth.sc., el. | luz de aviso de arrancador | starter indicator light |
| IT, transp. | luz de aviso de bajada de presión | pressure drop warning light |
| earth.sc., el. | luz de aviso de caída de nivel | low level warning light |
| earth.sc., el. | luz de aviso de caída de presión | pressure drop warning light |
| tech. | luz de aviso de fase invertida | reverse phase warning light |
| earth.sc., el. | luz de aviso de generador | generator indicator light |
| avia. | luz de aviso de la presión del combustible | fuel pressure warning light |
| tech. | luz de aviso de las ruedas | wheel warning light |
| earth.sc., el. | luz de aviso de límite de gasto | flow indicating unit |
| earth.sc., el. | luz de aviso de microbomba | micropump indicator light |
| tech. | luz de aviso de nivel bajo de combustible | low fuel level warning light |
| earth.sc., el. | luz de aviso de piloto | pilot light |
| earth.sc., el. | luz de aviso de presión de combustible | fuel pressure drop warning light |
| earth.sc., el. | luz de aviso de reserva de combustible | fuel quantity indicator |
| tech. | luz de aviso del inversor de fase | phase inverter warning light |
| tech. | luz de aviso principal de nivel bajo de aceite | master low oil light |
| avia. | luz de balizaje de pista | contact light |
| tech. | luz de balizamiento | range light |
| tech. | luz de bengala | flare |
| tech. | luz de bengala | bengal light |
| light. | luz de cabeza | mast-head light |
| earth.sc., el. | luz de cabina | cockpit light |
| earth.sc., el. | luz de cabina de pilotaje | cockpit light |
| tech. | luz de calcio e hidrógeno que produce una luz muy intensa | limelight |
| light. | luz de carretera | high-beam headlight |
| stat., transp., el. | luz de carretera | upper beam |
| light. | luz de carretera | main-beam headlight |
| el. | luz de carretera | main beam |
| stat., transp., el. | luz de carretera | driving beam |
| earth.sc., el. | luz de centrado de profundidad | pitch trim light |
| earth.sc., el. | luz de cola | tail flood |
| tech. | luz de cola | taillight |
| auto. | luz de combinación | combination light |
| avia. | luz de contacto | contact light |
| tech. | luz de control | control light |
| auto. | luz de cortesía | courtesy light |
| light. | luz de cruce | dipped-beam headlight |
| stat., commun., el. | luz de cruce | meeting beam |
| stat., commun., el. | luz de cruce | passing beam |
| stat., commun., el. | luz de cruce | lower beam |
| stat., commun., el. | luz de cruce | dipped beam |
| tech. | luz de demarcación | boundary light |
| earth.sc., el. | luz de desincronización | asynchronization light |
| earth.sc., el. | luz de destellos | flash light |
| gen. | luz de destellos | flashing light |
| light. | luz de dirección | turn-signal light |
| light. | luz de dirección | direction indicator light |
| auto. | luz de emergencia | hazard warning light (lamp) |
| IT | luz de emisión espontánea | spontaneous emission light |
| tech. | luz de entrada al puerto | port lights |
| earth.sc., el. | luz de entrada de aire de reactor | engine air intake icing inspection light |
| auto. | luz de estacionamiento | parking light (lamp) |
| nautic. | luz de estar anclado | anchor light |
| avia. | luz de extremidad | boundary light |
| earth.sc., el. | luz de faro giratorio | rotating beacon light |
| med. | luz de Finsen | ultraviolet rays |
| med. | luz de Finsen | Finsen light |
| tech. | luz de formación en vuelo | formation light |
| gen. | luz de frenado | braking light |
| light. | luz de freno | brake light |
| gen. | luz de freno | braking light |
| auto. | luz de frenos | brake light |
| earth.sc., el. | luz de guarda de ala | wing clearance light |
| earth.sc., el. | luz de haz rotativo | rotating beacon light |
| auto. | luz de indicación de la carga | charge indicator lamp |
| earth.sc., el. | luz de inspección de escarcha de alas | wing icing inspection light |
| tech. | luz de inundación | flogging lights |
| auto. | luz de la cabina | cab light |
| tech. | luz de la cúpula delantera | forward dome light |
| polit., construct. | luz de la fachada | window bay |
| gen. | luz de la luna | moonlit |
| gen. | luz de la luna | moonlight |
| tech. | luz de la mirilla | sight glass light |
| gen. | luz de lanzamiento en paracaídas | dropping light |
| gen. | luz de las estrellas | starlight |
| el. | luz de lectura de copiloto | pilot reading light |
| el. | luz de lectura de copiloto | copilot reading light |
| earth.sc., el. | luz de lectura de pasaje | passenger reading light |
| earth.sc., el. | luz de lectura de pasajero | passenger reading light |
| el. | luz de lectura de piloto | pilot reading light |
| el. | luz de lectura de piloto | copilot reading light |
| earth.sc., el. | luz de llamada | call light |
| tech. | luz de los flaps del borde de ataque derecho | right leading edge flap light |
| earth.sc., el. | luz de navegación de ala | navigational wing position light |
| tech. | luz de navegación del ala | wing light |
| light. | luz de obstáculo | obstacle light |
| auto. | luz de operación diurna | daytime running lamp (DRL) |
| tech. | luz de oxígeno e hidrógeno que produce una luz muy intensa | limelight |
| gen. | luz de parada | braking light |
| light. | luz de peligro | hazard warning signal on a vehicle |
| railw., sec.sys. | luz de permisividad | permissive light |
| avia. | luz de pista de aterrizaje | contact light |
| tech. | luz de popa | stern light |
| tech. | luz de posición | range light |
| earth.sc., el. | luz de posición de ala | navigational wing position light |
| gen. | luz de posición de cola | A/C navigational tail position and recognition light |
| el. | luz de posición trasera | rear position side lamp |
| tech. | luz de precaución | advisory light |
| tech. | luz de precaución de presión hidráulica | hydraulic pressure caution light |
| tech. | luz de preparado para cargar | ready-to-load light |
| earth.sc., el. | luz de prueba | push-to-test light |
| tech. | luz de puente | bridge bay |
| tech. | luz de punto | point light |
| tech. | luz de rayo láser | laser (elemento óptico que amplifica la luz estimulando la radiación atómica dentro de un cristal de rubí) |
| railw., sec.sys. | luz de referencia | marker light |
| auto. | luz de reversa | reverse light |
| auto. | luz de reversa | backup light |
| earth.sc., el. | luz de rodaje | taxi light |
| light. | luz de sector | sector light |
| gen. | luz de sectores | sector light |
| photo. | luz de seguridad | safelight |
| earth.sc. | luz de seguridad | safe light |
| mater.sc. | luz de seguridad de la escalera mecánica | turntable ladder safety light |
| tech. | luz de señales | signal flare |
| tech. | luz de señales | marker light |
| light. | luz de señalización | signal light |
| earth.sc., el. | luz de señalización sin lente | lensless signalling lamp |
| earth.sc., el. | luz de señalización sin lente | lensless signaling lamp |
| nat.sc. | luz de sincrotrón | synchrotron light |
| earth.sc., el. | luz de situación | position indication |
| tech. | instrumentos luz de tablero | panel lamp |
| tech. | luz de techo | dome lights |
| tech. | luz de tubo indicador | sight glass light |
| med. | luz de un conducto | lumen (channel of a tube) |
| avia. | luz de uso general | utility light |
| tech. | luz de vehículo que sólo ilumina parte de la ruta para no deslumbrar al conductor del vehículo que venga en dirección contraria | passing light |
| tech. | luz de vuelo en formación | formation light |
| health. | luz de Wood | Wood's light |
| el. | luz del ambiente | ambient light |
| gen. | luz del día | daylight |
| dril. | luz del espacio anular | annular clearance |
| auto. | luz del espejo de la visera | vanity mirror light |
| auto. | luz del freno | stoplight |
| gen. | luz del fuego | firelight |
| tech. | luz del jalón de puntería | aiming post light |
| tech. | luz del sistema de dirección de proa de reaprovisionamiento de combustible en vuelo | air refueling nose wheel steering light |
| tech. | luz del sol | sun |
| gen. | luz del sol | sunshine |
| gen. | luz del sol | sunlight |
| auto. | luz del techo | dome light |
| tech. | luz del tubo visor | sight tube light |
| tech. | luz del vidrio de nivel | sight glass light |
| load.equip., mexic. | luz delantera | head lamp |
| load.equip., mexic. | luz delantera | head-lamp |
| load.equip., mexic. | luz delantera | head light |
| mexic. | luz delantera | head-lamp (n.f.) |
| mexic. | luz delantera | head light (n.f.) |
| mexic. | luz delantera | headlamp (n.f.) |
| mexic. | luz delantera | head lamp (n.f.) |
| mexic. | luz delantera | headlight (n.f.) |
| auto. | luz delantera alta | high beam |
| auto. | luz delantera alta | HI beam |
| tech. | luz destellante | blinking light |
| earth.sc. | luz difundida | scattered light |
| earth.sc., life.sc. | luz difusa | diffused light |
| comp., MS | luz direccional | directional light (A light source that is attached to a frame but appears to illuminate all objects with equal intensity, as if it were at an infinite distance from the objects. Directional light has orientation but no position, and it is commonly used to simulate distant light sources, such as the sun) |
| earth.sc. | luz direccional | directional light |
| insur., earth.sc. | luz dispersa | scattered light |
| tech. | luz diurna | daylight |
| textile | luz diurna artificial | artificial daylight |
| tech. | luz empotrada | inset of flush light |
| gen. | luz empotrada | botton light |
| construct. | luz entre apoyos | span |
| construct. | luz entre pilas | clear span |
| industr. | luz equivalente | equivalent lamp |
| el. | luz escamoteable | retractable lamp |
| tech. | luz especular | specular light |
| tech. | luz estroboscópica anticolisión | strobe anticollision light |
| pharma., chem., el. | luz facultativa | optional lamp |
| light. | luz fantasma | sun phantom |
| gen. | luz fija | fixed light |
| textile | luz fluorescente | fluorescent light |
| el. | luz fluorescente compacta | compact fluorescent light |
| comp., MS | luz focal | spot light (A type of light that is cast like a real spot light. The light starts from the position of the light and spreads out in the shape of a cone. Parts of a 3D object outside the cone of light cast will not be affected by the spot light) |
| earth.sc. | luz fría | cold light |
| load.equip., span. | luz giratoria | rotating lamp |
| load.equip., span. | luz giratoria | revolving warning light |
| span. | luz giratoria | revolving warning light (n.f.) |
| span. | luz giratoria | dome light (n.f.) |
| span. | luz giratoria | revolving reflector lamp (n.f.) |
| span. | luz giratoria | revolving light (n.f.) |
| load.equip., span. | luz giratoria | emergency rotating light |
| load.equip., span. | luz giratoria | dome light |
| load.equip., span. | luz giratoria | revolving reflector lamp |
| span. | luz giratoria | rotating lamp (n.f.) |
| span. | luz giratoria | emergency rotating light (n.f.) |
| photo. | luz inactínica para revelar | safelight |
| phys.sc., el. | luz incoherente | incoherent light |
| industr. | luz independiente | independent lamp |
| tech. | luz indicador de obstáculo | obstruction light |
| earth.sc., el. | luz indicadora | warning light |
| tech. | luz indicadora | tell-light |
| tech. | luz indicadora | indicator lamp |
| auto. | luz indicadora de advertencia | warning indicator light (lamp) |
| tech. | luz indicadora de alimentación por gravedad | gravity feed light |
| tech. | luz indicadora de corriente | power light |
| earth.sc., el. | luz indicadora de descarga | pop-out indicator |
| earth.sc., el. | luz indicadora de destellos | flashing indicator light |
| earth.sc., el. | luz indicadora de enlace de barra | bus tie indicator |
| comp., MS | luz indicadora de estado | status light (A light that appears around a Surface screen to indicate the overall status of the unit. The status light displays the following colors: A rhodamine (pink) color appears temporarily when the unit is turned on. A blue color appears temporarily when the unit is turned off. A red color appears when there is a problem with the unit. The SCM status indicator lights provide more details information about the status of a Surface unit) |
| photo. | luz indicadora de exposición | film-feed indicator light |
| earth.sc., el. | luz indicadora de generador | generator indicator light |
| auto. | luz indicadora de mal funcionamiento "MIL" | malfunction indicator lamp |
| auto. | luz indicadora de mal funcionamiento "MIL" | check engine light |
| tech. | luz indicadora de nivel bajo de combustible | fuel low light |
| tech. | luz indicadora de obstáculos | obstruction light |
| tech. | luz indicadora de pilones vacíos | pylon empty light |
| earth.sc., el. | luz indicadora de posición | position light |
| earth.sc., el. | luz indicadora de posición | position indicator |
| tech. | luz indicadora de posición del tren de aterrizaje | gear position indicator light landing gear |
| auto. | luz indicadora de presión de aceite | oil pressure indicator light |
| earth.sc., el. | luz indicadora flash | flashing indicator light |
| earth.sc., el. | luz indicadora incorporada | embodied indicator light |
| auto. | luz indicadora "MIL" | check engine (check engine) |
| auto. | luz indicadora "MIL" | malfunction indicator lamp |
| tech. | luz indirecta | diffused light |
| earth.sc., el. | luz integrada en pulsador | push-button integral light |
| el. | luz interferente | interfering light |
| auto. | luz interior para leer | map light |
| railw., sec.sys. | luz intermitente | flashing light signal |
| tech. | luz intermitente | flashing light |
| gen. | luz intermitente | blinker |
| earth.sc., el. | luz lateral | sidelight |
| construct. | luz libre total | clear waterway |
| tech. | aeropuerto luz marcadora | marker light |
| IT | luz monocromática | monochromatic light |
| textile | luz monocromático | monochromatic light |
| immigr., nat.sc., tech. | luz natural | natural light |
| tech. | luz natural | daylight |
| antenn. | luz negativa | negative glow |
| earth.sc. | luz negra | black light |
| mil. | luz negra | blackout light |
| med. | luz negra vellosa | black tongue (lingua nigra) |
| auto. | luz noid | noid light |
| industr. | luz oblicua | oblique light |
| earth.sc., el. | luz ocultable | monitor light |
| earth.sc., el. | luz omnidireccional | omnidirectional light |
| auto. | luz para la neblina | fog lamp (light) |
| auto. | luz para la niebla | fog lamp (light) |
| earth.sc., el. | luz paralela | parallel light |
| el. | luz parásita | optical flare |
| nat.sc., el. | luz parásita | stray light |
| tech. | luz piloto | pilot light |
| el. | luz polarizada | polarized light |
| el. | luz polarizada | polarised light |
| tech. | luz polarizada | polarization light |
| nat.sc. | luz polarizada elíptica | elliptically polarised light |
| tech. | luz polarizada en un plazo | plane-polarized light |
| nat.sc. | luz polarizada rectilínea | plane polarised light |
| mater.sc., el. | luz posterior | rear light |
| comp., MS | luz puntual | point light (A type of light that is cast outward from a single point in all directions much like a standard light bulb) |
| tech. | luz reflectora | wand |
| forestr. | luz reflejada | light-reflection measuring (medición de la) |
| gen. | luz reflejada | light-reflection (measuring, medición de la) |
| el. | luz rica en ultravioletas | light with a high ultra-violet content |
| photo. | luz segura | safelight |
| tech. | luz sideral | celestial light |
| gen. | luz sin vigilancia | unwatched light |
| environ. | luz solar | white light |
| earth.sc. | luz solar | direct sunlight |
| nat.sc. | luz tamizada | subdued light |
| nat.sc. | luz tamizada | dimmed light |
| nat.sc. | luz tenue | subdued light |
| nat.sc. | luz tenue | dimmed light |
| life.sc., el. | luz terrestre | earthlight |
| life.sc., el. | luz terrestre | earthshine |
| life.sc., el. | luz terrestre | earth shine |
| life.sc., el. | luz terrestre | earth light |
| auto. | luz trasera | tail lamp |
| railw., sec.sys. | luz trasera señal | back light signal |
| tech. | luz trasera | taillight |
| gen. | luz trémula | shimmer |
| auto. | luz ultravioleta | ultraviolet light (black light, luz negra) |
| environ. | luz ultravioleta | ultraviolet light |
| auto. | luz ultravioleta | blacklight |
| immigr., environ., tech. | luz ultravioleta | ultra-violet radiation |
| earth.sc. | luz ultravioleta filtrada | black light |
| anim.husb. | luz uterina | uterine lumen |
| mil. | luz velada | blackout light |
| nat.sc. | luz visible | visible light |
| nat.sc. | luz zodiacal | zodiacal light |
| auto. | luz ámbar ABS | amber ABS light |
| el. | luz única | single lamp |
| el. | lámpara de luz de día | daylight lamp |
| el. | lámpara de luz de día | daylight blue lamp |
| med. | lámpara de luz de magnesio | flash bulb |
| med. | lámpara de luz de magnesio | UV flash light lamp |
| el. | lámpara de luz mixta | gas filled dual lamp |
| el. | lámpara de luz mixta | dual lamp |
| el. | lámpara de luz negra | black light lamp |
| el. | lámpara de luz negra | Wood's lamp |
| immigr., tech. | lámpara de luz transparente | transparent slide |
| el. | lámpara luz del día | daylight lamp |
| el. | lámpara luz del día | daylight blue lamp |
| el. | lámpara para la producción de la luz relámpago | flashbulb |
| el. | lámpara para luz de niebla | filament lamp for a fog lamp |
| gen. | lámpara para luz de umbral de pista | threshold lamp |
| gen. | lámpara para luz lateral de pista | runway lamp |
| tech. | lámpara térmica de luz infrarroja | infrared heat lamp |
| med. | límite de luz natural | day-light limit |
| tech. | línea básica de 1.500 pies para la luz del techo de las nubes | base line of 1, 500 ft for the ceiling light |
| chem., el. | manguito de luz diurna | daylight type mantle |
| chem., el. | manguito de luz diurna | daylight mantle |
| nat.sc. | medición de la luz reflejada | light-reflection measuring |
| agric. | medida de conservación relativa a la luz de malla | conservation measure relating to mesh size regulation |
| meas.inst. | medida de la velocidad de la luz de Foucault | Foucault's measurement of the velocity of light |
| immigr., tech. | medidas de seguridad visibles con luz ultravioleta | ultraviolet security features |
| meas.inst. | medidor de la velocidad de la luz de Foucault | phototachometer |
| tech. | microfotografia tomada con luz polarizada | photomicrograph made under polarised light |
| chem. | microscopio de luz ultravioleta | ultraviolet microscope |
| environ., chem. | método por absorción de la luz solar | ultraviolet light absorption method |
| environ., chem. | método por absorción de la luz solar | UV absorption method |
| tech. | panel de la luz principal de precaución | main caution light panel |
| earth.sc., lab.law. | penetración de la luz solar | sunlight penetration |
| earth.sc. | penetración de luz natural | daylight penetration |
| meteorol. | período de luz del día | period of daylight |
| immigr., tech. | planchete fluorescente a la luz ultravioleta | planchette responsive to UV light |
| earth.sc. | polarización de luz dispersa | skylight polarization |
| econ. | política de "luz roja" | red-light policy |
| econ. | política de "luz verde" | green-light policy |
| nat.sc., industr. | por luz transmitida | by transmitted light |
| life.sc. | potencia de la luz solar | sunlight power |
| law | proteccio en el trabajo de las trabajaradoras embarazadas,que hayan dado a luz recientemente o en período de lactancia | safety and health at work of women who are pregnant, or have recently given birth or are breastfeeding |
| earth.sc., lab.law. | protección de la luz solar | sunshade |
| earth.sc., lab.law. | protección de la luz solar | sunlight protection |
| industr., construct., chem. | protector de la luz solar | sun-checking inhibitor |
| industr., construct., chem. | protector de la luz solar | anti-sun-checking agent |
| chem. | Proteger de la luz del sol. | Protect from sunlight. |
| chem. | Proteger de la luz del sol. Almacenar en un lugar bien ventilado. | Protect from sunlight. Store in a well-ventilated place. |
| chem. | Proteger de la luz del sol. No exponer a temperaturas superiores a 50°C / 122°F. | Protect from sunlight. Do no expose to temperatures exceeding 50°C/ 122°F. |
| el. | proyector Balopticon marca comercial que utiliza la luz reflejada para proyectar objetos opacos | Balopticon |
| el. | proyector que cumple la función de luz de carretera | high beam headlamp |
| el. | proyector que cumple la función de luz de carretera | full beam headlamp |
| construct. | puente de luz única | single span bridge |
| gen. | que no ha dado a luz a un lactante viable | nulliparous |
| gen. | que no ha dado a luz a un lactante viable | never having given birth |
| earth.sc. | radiación de la luz visible | visible radiation |
| navig. | radiofaro de luz de destellos verdes y blancos en la torre de un aeródromo militar | beacon |
| med. | reacción a la luz y reflejo de acomodación | light-and-accommodation reaction (of the pupil) |
| med. | reacción a la luz y reflejo de acomodación | L. and A. |
| meas.inst. | registrador de la luz solar de Campbell y Stokes | Campbell-Stokes recorder |
| meteorol., meas.inst. | registrador de la luz solar de Campbell y Stokes | sunshine recorder |
| tech. | reglaje del encendido con luz de neón | neon-light ignition timing |
| earth.sc. | regulación de la intensidad de la luz emitida | to regulate the intensity of the light emitted |
| gen. | resistencia a la luz del sol | resistance to sunlight |
| gen. | resistencia a la luz solar | sunlight resistance |
| comp., MS | sensor de luz ambiental | ambient light sensor (A type of light sensor that tracks ambient light in the surroundings and therefore the amount of backlight needed for the LCD screen to be adjusted accordingly) |
| gen. | sistema de detección de llamas por luz ultravioleta | ultraviolet flame detection system |
| org.name. | Taller regional sobre perspectivas del mercado de los productos básicos agrícolas a la luz de los resultados de la Ronda Uruguay | Regional Workshop on the Market Outlook for Agricultural Commodities in the Light of the Outcome of the Uruguay Round |
| earth.sc. | telescopio con amplificador electrónico para luz infrarroja o luz residual | telescope sight with electronic light amplification device or infra-red device |
| auto. | tercera luz de freno | high-mounted stop light |
| auto. | transistor de control de la luz de advertencia | warning lamp driver |
| pack. | transparencia a la luz UV | opacity to ultraviolet radiation (ultravioleta) |
| pack. | transparencia a la luz UV | transparency to ultraviolet light (ultravioleta) |
| pack. | transparencia a la luz UV | UV transmission rate (ultravioleta) |
| el. | tubo de luz mixta | gas filled dual bulb |
| antenn. | tubo de rayos X para fotografía con luz de destello | flash X-ray tube |
| energ.ind. | técnica de tratamiento de luz natural | daylighting technique |
| tech. | unidad de luz intermitente | flasher unit |
| phys. | velocidad de la luz en el vacío | speed of light in vacuum |
| phys. | velocidad de la luz en el vacío | luminal speed |
| phys. | velocidad de la luz en el vacío | light speed |
| phys. | velocidad de la luz en el vacío | speed of light |
| meteorol. | zonas de luz parásita | Stray Light Zone |
