heat of vaporisation

NOUN
20 LETTERS · STARTS WITH H

heat of vaporisation is a valid 20-letter word worth 29 points in Scrabble and 31 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
H4E1A1T1O1F4V4A1P3O1R1I1S1A1T1I1O1N1
4 + 1 + 1 + 1 + 0 + 1 + 4 + 0 + 4 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =29 PTS
DOUBLE WORD → 58TRIPLE WORD → 87
MEANING

What does heat of vaporisation mean?

NOUN · 1 SENSE
1

Heat absorbed by a unit mass of a material at its boiling point in order to convert the material into a gas at the same temperature.