/ Thesaurus / A Synonyms of ammonium carbamate Find synonyms for: Noun1. ammonium carbamate, carbamateusage: a salt of carbamic acid that is used as a nitrogen fertilizerWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language