Breadcrumb Home > Thesaurus > Z Synonyms of zr Find synonyms for: Noun 1. zirconium, Zr, atomic number 40, metallic element, metal usage: a lustrous grey strong metallic element resembling titanium; it is used in nuclear reactors as a neutron absorber; it occurs in baddeleyite but is obtained chiefly from zircon WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of zr (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: anomie Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language