| 单词 | sound barrier |
| 释义 | sound barrierSEE SYNONYMS FOR sound barrier ON THESAURUS.COM nounAlso called sonic barrier, transonic barrier. (not in technical use) a hypothetical barrier to flight beyond the speed of sound, so postulated because aircraft undergo an abruptly increasing drag force induced by compression of the surrounding air when traveling near the speed of sound. Idioms for sound barrierbreak the sound barrier, to travel faster than the speed of sound. Origin of sound barrierFirst recorded in 1950–55 Words nearby sound barriersound, soundalike, sound-and-light, sound-and-light show, sound as a bell, sound barrier, sound bite, sound block, soundboard, sound bow, soundbox Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for sound barriersound barrier noun(not in technical usage) a hypothetical barrier to flight at or above the speed of sound, when a sudden large increase in drag occursAlso called: sonic barrier, transonic barrier Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Cultural definitions for sound barriersound barrier The sudden increase in air resistance that occurs when an aircraft approaches the speed of sound. This is also called the sonic barrier. The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Scientific definitions for sound barriersound barrier The sharp increase in drag experienced by aircraft approaching the speed of sound. Also called sonic barrier The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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