The quantity of light equal to a lumen radiated or received in one hour

(physics) Alternative form of lumen second

plural of lumen second

plural of lumen-second

A technique to calculate the light level in a room, based on a series of calculations using horizontal illuminance criteria to establish a uniform luminaire layout in a space.

The production and development of a lumen

plural of lumenogram

(anatomy, botany) Lacking a lumen

Misspelling of luminography.

Alternative form of lumenized