expansion ammeter

17 LETTERS · STARTS WITH E

expansion ammeter is a valid 17-letter word worth 29 points in Scrabble and 34 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

E1X8P3A1N1S1I1O1N1A1M3M3E1T1E1R1

1 + 8 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 3 + 3 + 1 + 1 + 1 + 1 =29 PTS

DOUBLE WORD → 58TRIPLE WORD → 87

MEANING

What does expansion ammeter mean?