functional group

16 LETTERS · STARTS WITH F

functional group is a valid 16-letter word worth 23 points in Scrabble and 31 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

F4U1N1C3T1I1O1N1A1L1G2R1O1U1P3

4 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 2 + 1 + 1 + 1 + 3 =23 PTS

DOUBLE WORD → 46TRIPLE WORD → 69

MEANING

What does functional group mean?