concave lens

NOUN
12 LETTERS · STARTS WITH C

concave lens is a valid 12-letter word worth 18 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
C3O1N1C3A1V4E1L1E1N1S1
3 + 1 + 1 + 3 + 1 + 4 + 1 + 0 + 1 + 1 + 1 + 1 =18 PTS
DOUBLE WORD → 36TRIPLE WORD → 54
MEANING

What does concave lens mean?

NOUN · 1 SENSE
1

A lens such that a parallel beam of light passing through it is caused to diverge or spread out.