Definitions for glaciologyˌgleɪ ʃiˈɒl ə dʒi, -si-
Random House Webster's College Dictionary
gla•ci•ol•o•gyˌgleɪ ʃiˈɒl ə dʒi, -si-(n.)
the branch of geology that deals with the nature, distribution, and action of glaciers and their effect on the earth's topography.
Origin of glaciology:
1890–95; glaci (er ) + -o - + -logy
the study of ice and its effect on the landscape, especially the study of glaciers