adj, noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The abstract numeral system underlying any pentimal numeral system; quinary. rare, uncountable
2. 2
   A numeral as written in such a system; a quinary. countable, rare

Adjective

1. 1
   Using a base of 5; quinary. not-comparable, rare

Synonyms

All synonyms

quinary

Etymology

From pent-, by analogy with decimal.

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