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speed of sound |
Also found in: Acronyms, Encyclopedia, Wikipedia, Hutchinson | 0.01 sec. |
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The speed at which sound travels in a given medium under specified conditions. The speed of sound at sea level in the International Standard Atmosphere is 1108 ft/second, 658 knots, 1215 km/hour. See also hypersonic; sonic; subsonic; supersonic; transonic. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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