Breadcrumb Home > Thesaurus > H Synonyms of hafnium Find synonyms for: Noun 1. hafnium, Hf, atomic number 72, metallic element, metal usage: a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of hafnium (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: debridement Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language