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7 dictionary results for: radar
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
ra·dar
[rey-dahr] Pronunciation Key
[rey-dahr] Pronunciation Key –noun
| 1. | Electronics. a device for determining the presence and location of an object by measuring the time for the echo of a radio wave to return from it and the direction from which it returns. |
| 2. | a means or sense of awareness or perception: lobbyists working under the media's radar. |
[Origin: 1940–45, Americanism; ra(dio) d(etecting) a(nd) r(anging)
]
]
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
American Heritage Dictionary - Cite This Source - Share This
| ra·dar
(rā'där) Pronunciation Key
n.
[ra(dio) d(etecting) a(nd) r(anging).] |
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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Online Etymology Dictionary - Cite This Source - Share This
radar
radar
1941, acronym (more or less) for radio detecting and ranging. The U.S. choice, it won out over British radiolocation.
Online Etymology Dictionary, © 2001 Douglas Harper
WordNet - Cite This Source - Share This
| radar | |
noun | |
| measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects |
WordNet® 3.0, © 2006 by Princeton University.
The American Heritage Science Dictionary - Cite This Source - Share This
radar
(rā'där) Pronunciation Key
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|
The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
American Heritage New Dictionary of Cultural Literacy, Third Edition - Cite This Source - Share This
radar
radar
A method of finding the position and velocity of an object by bouncing a radio wave off it and analyzing the reflected wave. Radar is an acronym for radio detection and ranging.
Note: Police use radar techniques to determine the speed of automobiles.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
American Heritage Abbreviations Dictionary 3rd Edition - Cite This Source - Share This
| radar radio detecting and ranging |
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Copyright © 2008, Dictionary.com, LLC. All rights reserved.












