Breadcrumb Home > Thesaurus > C Synonyms of cryogen Find synonyms for: Noun 1. cryogen, refrigerant usage: a liquid that boils at below -160 C and is used as a refrigerant WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of cryogen (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: rort Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language