biochron

noun
bi·​o·​chron | \ -‧ˌkrän \
plural -s

Definition of biochron

: a fossil fauna or flora of relatively short time range

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History and Etymology for biochron

bi- entry 2 + -chron (from Greek chronos time)

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Cite this Entry

“Biochron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biochron. Accessed 1 Jul. 2022.

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