| English adjective: tertiary | |||
| 1. | tertiary coming next after the second and just before the fourth in position | ||
| Synonyms | 3rd, third | ||
| Similar | ordinal | ||
| Antonyms | cardinal | ||
| English noun: Tertiary | |||
| 1. | Tertiary (time) from 63 million to 2 million years ago | ||
| Synonyms | Tertiary period | ||
| 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 | ||