Tertiary — synonyms, definition
1. Tertiary (Adjective)
2 synonyms
3rd third
1 definition
Tertiary (Adjective) — Coming next after the second and just before the fourth in position.
2. Tertiary (Noun)
1 synonym
Tertiary period
1 definition
Tertiary (Noun) — From 63 million to 2 million years ago.
2 types of
geological period period
11 parts
Eocene Eocene epoch Miocene Miocene epoch Oligocene Oligocene epoch Palaeocene Paleocene Paleocene epoch Pliocene Pliocene epoch
3 parts of
Age of Mammals Cenozoic Cenozoic era