Breadcrumb Home > Thesaurus > I Synonyms of invar Find synonyms for: Noun 1. Invar, alloy, metal usage: an alloy of iron and nickel having a low coefficient of thermal expansion; used in tuning forks and measuring tapes and other instruments WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of invar (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. The Book of Philippians: Summary Current Events This Week: May 2023 Preamble of the United Nations Charter Queen Victoria Books of the Bible: New Testament Books in Order The 88 Recognized Constellations ✖ Related Content Daily Word Quiz: foison Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language