n.
Pronunciation: ˌ gl ā -sh ē - ' ä-l ə -j ē , -s ē -
Function: noun
Etymology: Latin glacies + International Scientific Vocabulary -logy
Date: 1889
: any of the branches of science dealing with snow or ice accumulation, glaciation, or glacial epochs
– gla · ci · o · log · i · cal \ - ə - ' lä-ji-k ə l \ adjective
– gla · ci · ol · o · gist \ - ' ä-l ə -jist \ noun