imido radical

13 LETTERS · STARTS WITH I

imido radical is a valid 13-letter word worth 18 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

I1M3I1D2O1R1A1D2I1C3A1L1

1 + 3 + 1 + 2 + 1 + 0 + 1 + 1 + 2 + 1 + 3 + 1 + 1 =18 PTS

DOUBLE WORD → 36TRIPLE WORD → 54

MEANING

What does imido radical mean?