Breadcrumb Home > Thesaurus > E Synonyms of ethene Find synonyms for: Noun 1. ethylene, ethene, alkene, olefine, olefin, gas usage: a flammable colorless gaseous alkene; obtained from petroleum and natural gas and used in manufacturing many other chemicals; sometimes used as an anesthetic WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of ethene (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: anomie Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language