oxytonePronunciation: /ˈɒksɪtəʊn/Definition of oxytone adjective (especially in ancient Greek) having an acute accent on the last syllable. Compare with paroxytone. noun a word having an acute accent on the last syllable. Origin: mid 18th century: from Greek oxutonos, from oxus 'sharp' + tonos 'tone'oxytone in other Oxford dictionaries Definition of oxytone in the US English dictionary