Home › Words › P › prolateprolate/ˈpɹəʊ.leɪt/prolate means elongated at the poles.prolate is pronounced /ˈpɹəʊ.leɪt/.EtymologyFrom Latin prolatum, past participle of proferre (“to extend, lengthen”).adjElongated at the poles.e.g.“A cigar is a prolate spheroid.”verbTo utter; to pronounce.e.g.“Prolate it right.” — 1629 (first performance), B[en] Jonson, The New Inne. Or, The Light Heart. […], London: […] Thomas Harper, for Thomas Alchorne, […], published 1631, →OCLC, (please specify the page), (please specify tDefinitions & examples from Wiktionary (CC BY-SA 3.0).