Dictionary Check: quaternary

"quaternary" is a valid word!

Scrabble 22 points
Words with Friends 23 points

Definition

adjective

consisting of or especially arranged in sets of four

Example: "quaternate leaves"
Synonyms:
adjective

coming next after the third and just before the fifth in position or time or degree or magnitude

Example: "the quaternary period of geologic time extends from the end of the tertiary period to the present"
Synonyms:
noun

the period of the last 2 million years

noun

the cardinal number that is the sum of three and one

Advertisement