ring compound

13 LETTERS · STARTS WITH R

ring compound is a valid 13-letter word worth 20 points in Scrabble and 27 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

R1I1N1G2C3O1M3P3O1U1N1D2

1 + 1 + 1 + 2 + 0 + 3 + 1 + 3 + 3 + 1 + 1 + 1 + 2 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does ring compound mean?