Definizione monolingua

lumen

lumen (plural lumens or lumina)

1. (physics) In the International System of Units, the derived unit of luminous flux; the amount of light that falls on a unit area at unit distance from a source of one candela. Symbol: lm.
2. (anatomy) The cavity or channel within a tube or tubular organ.
3. (botany) The cavity bounded by a plant cell wall.
4. (medicine) The bore of a tube such as a hollow needle or catheter.

Definizione dizionario lumen

luce

lume

lumen

Altri significati:

The inside space of a tubular structure.

(physics) In the International System of Units, the derived unit of luminous flux; the amount of light that falls on a unit area at unit distance from a source of one candela. Symbol: lm.

SI-unit for luminous flux

(medicine) The bore of a tube such as a hollow needle or catheter.

(botany) The cavity bounded by a plant cell wall.

The SI unit of luminous flux, with symbol "lm".

(anatomy) The cavity or channel within a tube or tubular organ.