Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A method of detecting distant objects and determining their position, velocity, or other characteristics by analysis of very high frequency radio waves reflected from their surfaces.
- noun The equipment used in such detection.
- idiom (on (one's) radar/radar screen) In one's conscious awareness as a possibility or as an existing phenomenon.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun uncountable A method of
detecting distant objects anddetermining theirposition ,velocity , or other characteristics byanalysis of sentradio waves (usually microwaves)reflected from theirsurfaces - noun countable A type of system using such method, differentiated by platform, configuration, frequency, power, and other technical attributes.
- noun countable An installation of such a system or of the transmitting and receiving apparatus.
- noun countable, figuratively A superior ability to detect something.
- verb To
scan with radar, or as if with radar.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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RADAR The term radar is an acronym derived from the words radio detection and ranging.
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The location of the radar is the last unresolved piece in the first phase of the Pentagon's missile defense shield for Europe.
European missile shield plan is expected to gain support Craig Whitlock 2010
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I think so far he did great job for not being in the obvious, being under the radar is a way to play the game in survivor, too.
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This method of "radio detection and ranging" came to be known by the acronym radar, with the word's palindromic nature echoing the system's operating principle.
Allied in the Quest for Radar Henry Petroski 2011
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High on his radar is avoiding Cardinal FS Bo McNally, whose hands are so good that he moonlights as the holder for kicks.
Weekend Preview: SEC powers ready to roll out welcome mat 2008
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So we gave what we called a radar surveillance approach, which left him to only concentrate on flying the airplane.
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I would consider that to be what we call a radar unidentified flying object, because it was a radar target.
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Although it works fine, the "radar" is bigger then it needs to be. baditch
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The new Mini-SAR image shows that this material is also dark in radar reflectivity, exactly what would be expected from a fine-grained, block-free deposit.
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Coming up on my radar is (finally) Fragile Eternity (Melissa Marr).
Friday Book Club Nalini Singh 2009
siguy commented on the word radar
Why do I like it? Because it's a palindrome! That's why!
December 1, 2006
trivet commented on the word radar
RAdio Detection And Ranging
February 28, 2007