valve coupling

14 LETTERS · STARTS WITH V

valve coupling is a valid 14-letter word worth 24 points in Scrabble and 33 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

V4A1L1V4E1C3O1U1P3L1I1N1G2

4 + 1 + 1 + 4 + 1 + 0 + 3 + 1 + 1 + 3 + 1 + 1 + 1 + 2 =24 PTS

DOUBLE WORD → 48TRIPLE WORD → 72

MEANING

What does valve coupling mean?