Quaternary (Adjective)
Meaning 1
Consisting of or especially arranged in sets of four; "quaternate leaves"; "a quaternary compound".
Classification
All adjective clusters.
Synonyms
Meaning 2
Coming next after the third and just before the fifth in position or time or degree or magnitude; "the quaternary period of geologic time extends from the end of the tertiary period to the present".
Classification
All adjective clusters.