Quindecimal

adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Based on the number fifteen, base 15. not-comparable

    "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."

Synonyms

All synonyms
pentadecimalpentadecimal

Example

More examples

"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."

Etymology

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

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.