Breadcrumb Home > Thesaurus > M Synonyms of manganese Find synonyms for: Noun 1. manganese, Mn, atomic number 25, metallic element, metal usage: a hard brittle grey polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of manganese (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