quaternary

adjective/ˈkwɑtərˌnɛri/

Frequency rank: #15,056 of 20,003 in the WORDED list (wordfreq data)

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

More words in ranks 15,001–15,100