Phanerozoic

adjective
Phan·​er·​o·​zo·​ic | \ ˌfa-nə-rə-ˈzō-ik How to pronounce Phanerozoic (audio) \

Definition of Phanerozoic

: of, relating to, or being an eon of geologic history that comprises the Paleozoic, Mesozoic, and Cenozoic or the corresponding systems of rocks — see Geologic Time Table

Other Words from Phanerozoic

Phanerozoic noun

First Known Use of Phanerozoic

1930, in the meaning defined above

History and Etymology for Phanerozoic

Greek phaneros + English -zoic entry 2

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The first known use of Phanerozoic was in 1930

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Cite this Entry

“Phanerozoic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Phanerozoic. Accessed 13 May. 2021.

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