fulminating powder

18 LETTERS · STARTS WITH F

fulminating powder is a valid 18-letter word worth 29 points in Scrabble and 36 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

F4U1L1M3I1N1A1T1I1N1G2P3O1W4D2E1R1

4 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 2 + 0 + 3 + 1 + 4 + 2 + 1 + 1 =29 PTS

DOUBLE WORD → 58TRIPLE WORD → 87

MEANING

What does fulminating powder mean?