unglaciated

verb (used with object), gla·ci·at·ed, gla·ci·at·ing.

1. to cover with ice or glaciers.
2. to affect by glacial action.

verb (used without object), gla·ci·at·ed, gla·ci·at·ing.

3. to become frozen or covered with ice or glaciers.

verb

1. to cover or become covered with glaciers or masses of ice
2. (tr) to subject to the effects of glaciers, such as denudation and erosion

v.1620s, “to freeze;” 1865 in reference to glaciers, from Latin glaciatus, past participle of glaciare “to turn to ice,” from glacies (see glacial).