light unit

1. 1.

   a measure of the visible electromagnetic radiation

   Broaderelectromagnetic unit

   Narrowerillumination unitluminance unitluminous flux unitluminous intensity unitexposure

Questions about light unit

What does light unit mean?

light unit means "a measure of the visible electromagnetic radiation".

Is light unit a common word?

light unit 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.