preextinguishment

17 LETTERS · 5 SYLLABLES · STARTS WITH P

preextinguishment is a valid 17-letter word worth 32 points in Scrabble and 37 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3R1E1E1X8T1I1N1G2U1I1S1H4M3E1N1T1

3 + 1 + 1 + 1 + 8 + 1 + 1 + 1 + 2 + 1 + 1 + 1 + 4 + 3 + 1 + 1 + 1 =32 PTS

DOUBLE WORD → 64TRIPLE WORD → 96

MEANING

What does preextinguishment mean?