-jē noun
( -es )
Etymology: International Scientific Vocabulary glacio- + -logy
1. : a science concerned with the causes and modes of ice accumulation and with ice action on the earth's surface ; specifically : a branch of geology that treats of glacial epochs, glaciation, and the effects of ice in modifying the earth's surface and in affecting the life and distribution of plants and animals
2. : the glacial features of a region
the glaciology of Greenland