glacial[glā′s̸həl; chiefly Brit, -sē əl]
glacial definition by Webster's New World
- of or like ice or glaciers
- of or produced by a glacier or a glacial epoch or period
- freezing; frigid: glacial weather
- cold and unfriendly: a glacial stare
- as slow as the movement of a glacier: glacial progress
- Chem. having an icelike, crystalline appearance
Origin: Classical Latin glacialis, icy, frozen ; from glacies, ice ; from Indo-European an unverified form glag-, partial reduplicated, reduplication of base an unverified form gel-, to freeze from source cold
- glacially adverb
glacial definition by American Heritage Dictionary
- a. Of, relating to, or derived from a glacier.b. Suggesting the extreme slowness of a glacier: Work proceeded at a glacial pace.
- a. often Glacial Characterized or dominated by the existence of glaciers. Used of a geologic epoch.b. Pleistocene. See Table at geologic time.
- Extremely cold; icy: glacial waters. See Synonyms at cold.
- Having the appearance of ice.
- a. Lacking warmth and friendliness: a glacial stare.b. Coldly detached: a glacial composure.
Origin: French from Old French, icy, from Latin glaciālis, from glaciēs, ice; see gel- in Indo-European roots.
- glaˈcial·ly adverb
glacial - Science Definition
- Relating to or derived from a glacier.
- Characterized or dominated by the existence of glaciers, as the Pleistocene Epoch.