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Word of the Day Tuesday, June 9, 2026

zoic

/zoʊɪk/ noun · British & US
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What does zoic mean?

noun

A zoic is a hypothetical period of time in the Earth's history, following the Hadean and preceding the Archean eons. It is characterized by the formation of the Earth's crust and the emergence of life.

Example

"The discovery of ancient fossils in the zoic rocks provided valuable insights into the evolution of life on Earth."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for zoic

Rhymes with zoic

Etymologically related