glacial Hear it!

glacial definition

gla·cial (glās̸həl; chiefly Brit, -sē əl)

adjective

  1. of or like ice or glaciers
  2. of or produced by a glacier or a glacial epoch or period
  3. freezing; frigid glacial weather
  4. cold and unfriendly a glacial stare
  5. as slow as the movement of a glacier glacial progress
  6. Chem. having an icelike, crystalline appearance

Etymology: L glacialis, icy, frozen < glacies, ice < IE *glag-, partial redupl. of base *gel-, to freeze > cold

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