lux
/ˈluɡs/masculine
lux is the Spanish word for the derived unit of illuminance.
Meaning: the derived unit of illuminance (noun)
How does it change in a sentence?
The word is a masculine noun.
How do you pronounce it?
/ˈluɡs/
Did you know?
- The word lux is a direct descendant of the Proto-Indo-European root *lewk-, which is also the ancestor of the English word 'light'.
- While most Spanish words ending in 'x' are quite rare, lux is a standard scientific term used throughout the Spanish-speaking scientific community.
- Spanish uses the word luz to describe both the physical phenomenon of 'light' and the 'electricity' that powers a bulb.
Examples in context
- Este hotel es muy lujosoThis hotel is very luxurious
- La cena en el restaurante fue suntuosaThe dinner at the restaurant was sumptuous
- El sensor marca diez lux.The sensor reads ten lux.
- Necesitamos aumentar los lux en la habitación.We need to increase the lux in the room.
- Ese foco produce un nivel de lux muy bajo.That bulb produces a very low lux level.
Example conversation
María and Javier are testing the lighting in a studio.
- MaríaJavier, ¿cuál es el nivel de lux actual?Javier, what is the current lux level?
- JavierEl dispositivo marca quinientos lux, María.The device shows five hundred lux, María.
- MaríaEso es insuficiente para grabar el video.That is insufficient for recording the video.
- JavierVoy a añadir más luces entonces.I will add more lights then.
Sources
- Wiktionary, “lux” translations and entries lux, CC BY-SA 4.0, dump of 2026-09-26.
- Word origins: Wiktionary entries lux, CC BY-SA 4.0.
