interradiation

14 LETTERS · 6 SYLLABLES · STARTS WITH I

interradiation is a valid 14-letter word worth 15 points in Scrabble and 17 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

I1N1T1E1R1R1A1D2I1A1T1I1O1N1

1 + 1 + 1 + 1 + 1 + 1 + 1 + 2 + 1 + 1 + 1 + 1 + 1 + 1 =15 PTS

DOUBLE WORD → 30TRIPLE WORD → 45

MEANING

What does interradiation mean?