EOCENE

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

From 58 million to 40 million years ago; presence of modern mammals

Synonyms:

Eocene; Eocene epoch

Classified under:

Nouns denoting time and temporal relations

Instance hypernyms:

epoch (a unit of geological time that is a subdivision of a period and is itself divided into ages)

Holonyms ("Eocene" is a part of...):

Tertiary; Tertiary period (from 63 million to 2 million years ago)

Credits