noun
last 2 million years
Synonyms
Quaternary period
Age of Man
noun
the cardinal number that is the sum of three and one
Synonyms
adjective
consisting of or especially arranged in sets of four
Synonyms
Examples
- quaternate leaves
- a quaternary compound
adjective
coming next after the third and just before the fifth in position or time or degree or magnitude
Synonyms
Examples
- the quaternary period of geologic time extends from the end of the tertiary period to the present
adjective
consisting of or especially arranged in sets of four
Synonyms
Examples
- quaternate leaves
- a quaternary compound
adjective
coming next after the third and just before the fifth in position or time or degree or magnitude
Synonyms
Examples
- the quaternary period of geologic time extends from the end of the tertiary period to the present
adjective
consisting of or especially arranged in sets of four
Synonyms
Examples
- quaternate leaves
- a quaternary compound
adjective
coming next after the third and just before the fifth in position or time or degree or magnitude
Synonyms
Examples
- the quaternary period of geologic time extends from the end of the tertiary period to the present