Synonyms for tertiary

Synonyms for (noun) tertiary

Synonyms: Tertiary, Tertiary period

Definition: from 63 million to 2 million years ago

Similar words: period, geological period

Definition: a unit of geological time during which a system of rocks formed

Usage: ganoid fishes swarmed during the earlier geological periods

Synonyms for (adjective) tertiary

Synonyms: 3rd, tertiary, third

Definition: coming next after the second and just before the fourth in position

Similar words: ordinal

Definition: being or denoting a numerical order in a series

Usage: ordinal numbers; held an ordinal rank of seventh