lumen

(Anglès)

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.

Pronunciat com a (IPA)

/ˈluːmən/

Etimologia (Anglès)

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

Conceptes

lumen

lm

Sinònims

cavity

lm

cavern

chamber

hollow

antrum

socket

inside of a tube

coelenteron

bodily cavity

sinus

bore

Traduccions

lumen

Lumen

lúmen

lumen

lumen

lumen

lumen

αυλός

Lumen

lumière

κηρίο

κοιλότητα

lumen

Einheit des Lichtstromes

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