diaphragm gauge

15 LETTERS · STARTS WITH D

diaphragm gauge is a valid 15-letter word worth 25 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

D2I1A1P3H4R1A1G2M3G2A1U1G2E1

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

DOUBLE WORD → 50TRIPLE WORD → 75

MEANING

What does diaphragm gauge mean?