lumen

(Englisch)

  1. 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.
  2. The cavity or channel within a tube or tubular organ.
  3. The cavity bounded by a plant cell wall.
  4. The bore of a tube such as a hollow needle or catheter.

Frequenz

36k
Ausgesprochen als (IPA)
/ˈluːmən/
Etymologie (Englisch)

Borrowed from Latin lūmen (“light, an opening”). Use as a unit was first adopted by French physicist André Blondel in 1894.

Lumen

Einheit des Lichtstromes

lichte Weite eines Hohlorgans

lumen

lumen

lumen

lumen

αυλός

lumen

κηρίο

κοιλότητα

Lumen

lm

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