English noun: Tertiary period | |||
1. | Tertiary period (time) from 63 million to 2 million years ago | ||
Synonyms | Tertiary | ||
Instance hypernym | geological period, period | ||
Part holonym | Eocene, Eocene epoch, Miocene, Miocene epoch, Oligocene, Oligocene epoch, Paleocene, Paleocene epoch, Pliocene, Pliocene epoch | ||
Part meronym | Age of Mammals, Cenozoic, Cenozoic era | ||