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Definition of "dome" []

  • A vaulted roof having a circular, polygonal, or elliptical base and a generally hemispherical or semispherical shape. (noun)
  • A geodesic dome. (noun)
  • A domelike structure, object, or natural formation. (noun)
  • Chemistry A form of crystal with two similarly inclined faces that meet at an edge parallel to the horizontal axis. (noun)
  • Slang The human head. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "dome" in a sentence
  • "But outside the dome is the Moon itself, desolate, rock-filled, not much to see (except the Earth, lurking beautifully in the background)."
  • ""Playing in a dome is a beautiful thing, no wind or field conditions or anything like that," Nedney said."
  • "The floor of 'the dome is an immense elevator, seventy-five feet in diameter, which carries the observer up and down to follow the eye end of the telescope."