Breadcrumb Home > Thesaurus > T Synonyms of terbium Find synonyms for: Noun 1. terbium, Tb, atomic number 65, metallic element, metal usage: a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of terbium (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: terrafirma Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language