pentadecimal.
Based on the number 15; using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D and E.
Meaning & usage
Based on the number 15; using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D and E.
Where this word comes from
Etymology tree Proto-Indo-European *pénkʷe Proto-Hellenic *pénkʷe Ancient Greek πέντε (pénte) Ancient Greek πεντᾰ- (pentă-)lbor. English penta- English decimal English pentadecimal From penta- + decimal.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.