quaternary

adjective/ˈkwɑtərˌnɛri/

Frequency rank: #15,056 most common English word

Meaning

Fourth in order or rank; relating to the geological period following the Tertiary.

Illustration for the English word “quaternary”

Example sentence

Geologists discovered fossils from the quaternary period buried deep within the rock layers.

Synonyms & related words

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