quindecimal

Q10U1I1N1D2E1C3I1M3A1L1

adjective

Based on the number fifteen, base 15.

OriginLatin quindecimalis →
Scrabble 25
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Meanings

adjectivequindecimal (not comparable)
  1. not comparableBased on the number fifteen, base 15.

    here the system assumes a quinary, or, perhaps more properly, a quindecimal radix, sixteen being expressed by a word signifying fifteen and one; seventeen, fifteen and two, &c.

    1834, Dionysius Lardner, Treatise on Arithmetic, Practical and Theoretical, page 17

Synonyms & antonyms

Also see
pentadecimal

Origin

  1. Latinquindecimalis
  2. Englishquindecimal

From Latin quindecimalis, from quindecim (“15”) + -ālis (“-al”), from quinque (“5”) + decem (“10”). Equivalent to quindecim + -al.

More words from Latin

Full word history & related roots →
Cite this entry
APA

quindecimal. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/quindecimal

MLA

“quindecimal.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/quindecimal. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “quindecimal,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/quindecimal.

Source: quindecimal on Wiktionary, CC BY-SA 4.0.