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lumen

2 syllables · also lumina
noun
Quick answer

As a noun, lumen means in the International System of Units, the derived unit of luminous flux.

Meanings of lumen

4 meanings

noun

  1. physicsIn the International System of Units, the derived unit of luminous flux; the light that is emitted in a solid angle of one steradian from a source of one candela. Symbol: lm.

  2. anatomyThe cavity or channel within a tube or tubular organ.

  3. botanyThe cavity bounded by a plant cell wall.

  4. medicineThe bore of a tube such as a hollow needle or catheter.

Meanings from Wiktionary (CC BY-SA 4.0) and Open English WordNet (CC BY 4.0).

Synonyms by meaning

noun: a unit of luminous flux equal to the amount of light give…
lm

Words that rhyme with lumen

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humaninhumansuperhumancrewmancuminacumenalbuminbitumennonhumanrumensubhuman

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Nearby words

lumlumbagolumbarlumberlumberinglumberjackLuminalluminanceluminaryluminescenceluminolluminosity