Breadcrumb Home > Thesaurus > S Synonyms of serine Find synonyms for: Noun 1. serine, amino acid, aminoalkanoic acid usage: a sweetish crystalline amino acid involved in the synthesis by the body of cysteine WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of serine (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: temporize Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language