Word
luc
/ˈɫuk/
Definition
n. a unit of light that measures how much light hits a surface. You use it to talk about how bright a room or a screen is.
n. the SI unit of illuminance, equal to one lumen per square metre. Used to quantify the intensity of light as perceived by the human eye hitting a specific area.
Usage
The plural form is also 'lux', though 'luxes' is occasionally found in older technical texts.
Scan code
englishreference.com/q/luc