index fossil

(Pronunciation -تلفظ سنیۓ ) US:

Slow

Normal

Noun: index fossil

1. index fossil [ Synonyms: guide fossil]
A fossil known to have lived in a particular geologic age that can be used to date the rock layer in which it is found

Generic Words:

fossil

Word of the day

April 29, 2025

epidemic

- a widespread outbreak of an infectious disease; many people are infected at the same time

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