/ Thesaurus / H Synonyms of heat of dissociation Find synonyms for: Noun1. heat of dissociation, heat, heat energyusage: the heat required for a fluid substance to break up into simpler constituentsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language