lumen
Valid in Scrabble
- Scrabble points
- 7
- Words With Friends
- 11
- Letters
- 5
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Definition of lumen
4 senses · 1 part of speech · etymology included
noun
- In 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.
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noun
- In 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.
- The cavity or channel within a tube or tubular organ.
- The cavity bounded by a plant cell wall.
- The bore of a tube such as a hollow needle or catheter.
Definitions from Wiktionary, CC BY-SA.
Etymology
Borrowed from Latin lūmen (“light, an opening”). Use as a unit was first adopted by French physicist André Blondel in 1894.
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