/ Thesaurus / T Synonyms of third law of thermodynamics Find synonyms for: Noun1. third law of thermodynamics, law of thermodynamicsusage: law stating that the entropy of a substance approaches zero as its temperature approaches absolute zeroWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language