ultraviolet radiation

NOUN
21 LETTERS · STARTS WITH U

ultraviolet radiation is a valid 21-letter word worth 24 points in Scrabble and 29 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
U1L1T1R1A1V4I1O1L1E1T1R1A1D2I1A1T1I1O1N1
1 + 1 + 1 + 1 + 1 + 4 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 2 + 1 + 1 + 1 + 1 + 1 + 1 =24 PTS
DOUBLE WORD → 48TRIPLE WORD → 72
MEANING

What does ultraviolet radiation mean?

NOUN · 1 SENSE
1

Radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays.