prosthetic group

16 LETTERS · STARTS WITH P

prosthetic group is a valid 16-letter word worth 25 points in Scrabble and 29 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3R1O1S1T1H4E1T1I1C3G2R1O1U1P3

3 + 1 + 1 + 1 + 1 + 4 + 1 + 1 + 1 + 3 + 0 + 2 + 1 + 1 + 1 + 3 =25 PTS

DOUBLE WORD → 50TRIPLE WORD → 75

MEANING

What does prosthetic group mean?