luminous flux

1. 1.

   the rate of flow of light energy

   Broaderradiant flux

Questions about luminous flux

What does luminous flux mean?

luminous flux means "the rate of flow of light energy".

Is luminous flux a common word?

luminous flux is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.