radiant intensity

17 LETTERS · STARTS WITH R

radiant intensity is a valid 17-letter word worth 20 points in Scrabble and 22 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

R1A1D2I1A1N1T1I1N1T1E1N1S1I1T1Y4

1 + 1 + 2 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 4 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does radiant intensity mean?