optical crown glass

NOUN
19 LETTERS · STARTS WITH O

optical crown glass is a valid 19-letter word worth 27 points in Scrabble and 34 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
O1P3T1I1C3A1L1C3R1O1W4N1G2L1A1S1S1
1 + 3 + 1 + 1 + 3 + 1 + 1 + 0 + 3 + 1 + 1 + 4 + 1 + 0 + 2 + 1 + 1 + 1 + 1 =27 PTS
DOUBLE WORD → 54TRIPLE WORD → 81
MEANING

What does optical crown glass mean?

NOUN · 1 SENSE
1

Optical glass of low dispersion and low refractive index.