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Cenozoic of, relating to, or designating the most recent geological era that includes the present and began approximately 70 million years ago, when many mammals appeared, the modern continents took shape, and glacial ice formed. [1/2 definitions]
drumlin an oval or elongated hill formed from glacial debris.
glaciate to affect by glacial movement or change. [1/3 definitions]
ice age any part of geological time when glaciers covered large parts of the earth; glacial epoch. [1/2 definitions]
ice cap a large covering of glacial ice that spreads out in all directions from the center.
ice field a large mass of thick glacial ice; icecap. [1/2 definitions]
ice shelf a thick layer of glacial ice that is frozen solid near shore but floats as it extends out to sea.
Pleistocene of, relating to, or designating the geological epoch at the start of the Quaternary Period, from approximately 1.8 million to 10 thousand years ago, when glacial ice was widespread and modern humans first appeared. [2 definitions]