Quaternary Meaning

There are 4 meaning(s) for word Quaternary

Quaternary Meaning 1 : last 2 million years

    Synonyms : age of man,  quaternary period
Quaternary Meaning 2 : 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 : 4th,  fourth
Quaternary Meaning 3 : consisting of or especially arranged in sets of four

    Example : a quaternary compound

    Synonyms : quaternate
Quaternary Meaning 4 : the cardinal number that is the sum of three and one

    Synonyms : 4,  four,  foursome,  iv,  little joe,  quadruplet,  quartet,  quatern,  quaternion,  quaternity,  tetrad