Radar Definition
rādär
noun
Any of various systems or devices using reflected radio waves to locate fixed objects and track moving ones: a radar system typically consists of a transmitter, receiver, and display screen, and is used in navigation, air traffic control, meteorology, mapping, etc.
Webster's New World
The equipment used in such detection.
American Heritage
A special ability to perceive, recognize, or find a particular kind of thing, behavior, etc.
A teacher's radar for plagiarism.
Webster's New World
Synonyms:
- radiolocation
- radio detection and ranging
- microwave radar
- photoelectricity
- ra dio d etecting a nd r anging
- radio locator (British)
- radio detecting and ranging
- awacs
- loran
- Multi-Function Array Radar (MAR)
- Missile Site Radar (MSR)
- teleran
Idioms, Phrasal Verbs Related to Radar
- on (one's) radar
- on (or off) the (or someone's) radar screen
- under the radar screen
Origin of Radar
ra(dio) d(etecting) a(nd) r(anging)
From American Heritage Dictionary of the English Language, 5th Edition
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