from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A large-amplitude compression wave, as that produced by an explosion or by supersonic motion of a body in a medium.
- n. A violent disruption, disturbance, or reaction: Shock waves of revolution shattered the government.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. 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.
- n. Any violent disturbance.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a region of high pressure travelling through a gas at a high velocity
Sorry, no etymologies found.