Search Result for "light filter":
Wordnet 3.0

NOUN (1)

1. a transparent filter that reduces the light (or some wavelengths of the light) passing through it;
[syn: light filter, diffusing screen]



WordNet (r) 3.0 (2006):

light filter
    n 1: a transparent filter that reduces the light (or some
         wavelengths of the light) passing through it [syn: light
         filter, diffusing screen]