thermonuclear explosion

23 LETTERS · STARTS WITH T

thermonuclear explosion is a valid 23-letter word worth 38 points in Scrabble and 45 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

T1H4E1R1M3O1N1U1C3L1E1A1R1E1X8P3L1O1S1I1O1N1

1 + 4 + 1 + 1 + 3 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 0 + 1 + 8 + 3 + 1 + 1 + 1 + 1 + 1 + 1 =38 PTS

DOUBLE WORD → 76TRIPLE WORD → 114

MEANING

What does thermonuclear explosion mean?