Breadcrumb Home > Thesaurus > A Synonyms of ammonium Find synonyms for: Noun 1. ammonium, ammonium ion, ammonia usage: the ion NH4 derived from ammonia; behaves in many respects like an alkali metal ion WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of ammonium (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: supertonic Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language