Found in the following dictionaries
OTCWL2014 (NASPA Word List 2014)
"Paleoclimatic" Definition
Of or pertaining to climatic conditions of former geologic periods: a term introduced by c. a. white to describe “formerly existing conditions which, in certain parts of the earth, were more or less materially different from those which now exist in the same parts.”.
Source: Century Dictionary
adjective
Of or pertaining to the climate of a region in the past.
Source: Wiktionary
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