from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A large-amplitude compression wave, as that produced by an explosion or by supersonic motion of a body in a medium.
  • noun A severe disruption, disturbance, or reaction.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun physics A powerful compression wave produced by the movement of a body through a fluid or gas at a velocity greater than the local speed of sound.
  • noun Any violent disturbance.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a region of high pressure travelling through a gas at a high velocity


Sorry, no etymologies found.


    Sorry, no example sentences found.


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