noun oc·to·dec·i·mo \ˌäktōˈdesəˌmō\

Definition of octodecimo



  1. :  eighteenmo —symbol T

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Origin and Etymology of octodecimo

Latin, ablative of octodecimus eighteenth, from octodecim eighteen, from octo eight + -decim (from decem ten) — more at ten

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a rounded knoll or a ridge of ice

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