lux
Lux (noun) means the standard unit of illuminance — how much light is falling on a surface — equal to one lumen per square metre. Example: “A well-lit office is typically around 500 lux.”
How to use lux
Learner’s notesIn plain EnglishMostly seen today as the technical unit for measuring light levels.
Word forms
luxed past tense, lux plural, luxes plural, luces plural, Luxes plural, luxes singular
Fill the gap
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A well-lit office is typically around 500 _____.
Etymology
From Latin lux, "light" — the same root that gives English words like "lucid" and "translucent".
Rhymes for lux
See all rhymes for lux →Frequently asked questions
What does “lux” mean?
The word “lux” means the standard unit of illuminance — how much light is falling on a surface — equal to one lumen per square metre. In plain terms, mostly seen today as the technical unit for measuring light levels.
How do you pronounce “lux”?
“Lux” is pronounced luhks (/lʌks/ in IPA).
How do you use “lux” in a sentence?
Here is “lux” used in a sentence: “A well-lit office is typically around 500 lux.”
What part of speech is “lux”?
Depending on how it is used, “lux” can be a noun and a verb.
Where does the word “lux” come from?
The word “lux” comes from Latin. From Latin lux, "light" — the same root that gives English words like "lucid" and "translucent".
Is “lux” a common word?
“Lux” is an uncommon word in modern English.
How many meanings does “lux” have?
“Lux” has 2 distinct senses listed in this dictionary. The most common is: the standard unit of illuminance — how much light is falling on a surface — equal to one lumen per square metre.
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