nitramino radical

17 LETTERS · STARTS WITH N

nitramino radical is a valid 17-letter word worth 21 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

N1I1T1R1A1M3I1N1O1R1A1D2I1C3A1L1

1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 0 + 1 + 1 + 2 + 1 + 3 + 1 + 1 =21 PTS

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does nitramino radical mean?