Breadcrumb Home > Thesaurus > L Synonyms of lutetium Find synonyms for: Noun 1. lutetium, lutecium, Lu, atomic number 71, metallic element, metal usage: a trivalent metallic element of the rare earth group; usually occurs in association with yttrium WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of lutetium (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: turgid Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language