Breadcrumb Home > Thesaurus > U Synonyms of uranium Find synonyms for: Noun 1. uranium, U, atomic number 92, metallic element, metal usage: a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of uranium (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: hagiography Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language