- Rhymes: -ʌks
From Latin lūx (“light”); from Proto-Indo-European *lewk- (“white; light; bright”). Cognates include Ancient Greek λευκός (leukos), Sanskrit रोचते (rocate), Middle Persian 𐭫𐭥𐭰 (rōč, “day”) and Old English noun lēoht (English light).
lux (plural lux)
- In the International System of Units, the derived unit of illuminance or illumination; one lumen per square metre. Symbol: lx
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
- lux (singular and plural)