Breadcrumb Home > Thesaurus > N Synonyms of neutron Find synonyms for: Noun 1. neutron, nucleon usage: an elementary particle with 0 charge and mass about equal to a proton; enters into the structure of the atomic nucleus WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of neutron (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: neologism Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language