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noun Uncommon

lux

luhks
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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.”

noun
1
The standard unit of illuminance — how much light is falling on a surface — equal to one lumen per square metre.
"A well-lit office is typically around 500 lux."
"Direct sunlight can measure over 100,000 lux."
verb
1
To dislocate a joint; a rarer word for "luxate".
"The vet confirmed the dog had luxed its kneecap."

How to use lux

Learner’s notes

In plain EnglishMostly seen today as the technical unit for measuring light levels.

Common pairings
measured in lux lux meter ambient lux level
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Word forms

Plural
luxes, luces
Third person singular
luxes
Past tense
luxed
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Fill the gap

Can you complete this real example?

A well-lit office is typically around 500 _____.

Etymology

From Latin lux, "light" — the same root that gives English words like "lucid" and "translucent".

Origin: Latin

lx

Related words

pe

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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