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Definition of "jet" []

  • A dense black coal that takes a high polish and is used for jewelry. (noun)
  • A deep black. (noun)
  • Made of or resembling a dense, black, highly polished coal. (adjective)
  • Black as coal; jet-black: jet hair. (adjective)
  • A high-velocity fluid stream forced under pressure out of a small-diameter opening or nozzle. (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 "jet" in a sentence
  • "When was the term "jet set" widely believed to have been coined?"
  • "As in going around like a jet is a disguise, a deception."
  • "And then overhead, we have very fast winds into the higher levels of the atmosphere, what we call the jet stream."