Eocene

adjective

Eo·​cene ˈē-ə-ˌsēn How to pronounce Eocene (audio)
: of, relating to, or being an epoch of the Tertiary between the Paleocene and the Oligocene or the corresponding series of rocks see Geologic Time Table
Eocene noun

Word History

First Known Use

1831, in the meaning defined above

Time Traveler
The first known use of Eocene was in 1831

Dictionary Entries Near Eocene

Cite this Entry

“Eocene.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Eocene. Accessed 6 Feb. 2023.

Kids Definition

Eocene

adjective
Eo·​cene ˈē-ə-ˌsēn How to pronounce Eocene (audio)
: of, relating to, or being an epoch of the Tertiary period of geological history or the corresponding series of rocks see geologic time
Eocene noun
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