destructive distillation

NOUN
24 LETTERS · 6 SYLLABLES · STARTS WITH D

destructive distillation is a valid 24-letter word worth 30 points in Scrabble and 36 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
D2E1S1T1R1U1C3T1I1V4E1D2I1S1T1I1L1L1A1T1I1O1N1
2 + 1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 4 + 1 + 0 + 2 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =30 PTS
DOUBLE WORD → 60TRIPLE WORD → 90
MEANING

What does destructive distillation mean?

NOUN · 1 SENSE
1

Heating a solid substance in a closed container and collecting the volatile products.