oxytone oxy·tone UK/ˈɒksɪˌtəʊn/ US/ˈɑksɪˌtoʊn/ uncommon noun 1. word having stress or an acute accent on the last syllable Related words Broader terms word WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.