incendiary grenade

18 LETTERS · STARTS WITH I

incendiary grenade is a valid 18-letter word worth 25 points in Scrabble and 29 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

I1N1C3E1N1D2I1A1R1Y4G2R1E1N1A1D2E1

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

DOUBLE WORD → 50TRIPLE WORD → 75

MEANING

What does incendiary grenade mean?