paleoclimate

[ pey-lee-oh-klahy-mit or, esp. British, pal-ee- ]
/ ˌpeɪ li oʊˈklaɪ mɪt or, esp. British, ˌpæl i- /

noun

the climate of some former period of geologic time.

Origin of paleoclimate

First recorded in 1920–25; paleo- + climate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019