(physics) 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.

plural of lumen

Of or pertaining to the lumen / Relating to the cavity or channel within a tube or tubular organ.

Having a lumen.

Having lumens

(biology) The formation of lumens

That initiates lumenization

In a lumenal manner

To undergo lumenization

(physics) Alternative form of lumen second