dominant wavelength

19 LETTERS · STARTS WITH D

dominant wavelength is a valid 19-letter word worth 31 points in Scrabble and 37 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

D2O1M3I1N1A1N1T1W4A1V4E1L1E1N1G2T1H4

2 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 0 + 4 + 1 + 4 + 1 + 1 + 1 + 1 + 2 + 1 + 4 =31 PTS

DOUBLE WORD → 62TRIPLE WORD → 93

MEANING

What does dominant wavelength mean?