Definition that contains glac
- till unstratified soil deposited by a glacier; consists of sand and clay and gravel and boulders mixed together
- kettle (geology) a hollow (typically filled by a lake) that results from the melting of a mass of ice trapped in glacial deposits
- iceberg a large mass of ice floating at sea; usually broken off of a polar glacier
- berg a large mass of ice floating at sea; usually broken off of a polar glacier
- moulin a chute through which supraglacial water enters a glacier, boring either to the bedrock or to the depth of common crevasse formation
- drumlin a mound of glacial drift
- glacial relating to or derived from a glacier
- pleistocene from two million to 11 thousand years ago; extensive glaciation of the northern hemisphere; the time of human evolution
- tarn a mountain lake (especially one formed by glaciers)
- ablation the erosive process that reduces the size of glaciers