Definitions of quaternary

The word quaternary uses 10 letters:aaenqrrtuy.

QUATERNARY is playable in:

Words With Friends23
Scrabble US22
Scrabble UK22

a. - Consisting of four; by fours, or in sets of four. 2

a. - Later than, or subsequent to, the Tertiary; Post-tertiary; as, the Quaternary age, or Age of man. 2

n. - The number four. 2

n. - The Quaternary age, era, or formation. See the Chart of Geology. 2