Transcription
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- US Pronunciation
- US IPA
- UK Pronunciation
- UK IPA
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- [rey-dahr]
- /ˈreɪ dɑr/
- /ˈreɪ.dɑːr/
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- US Pronunciation
- US IPA
-
- [rey-dahr]
- /ˈreɪ dɑr/
Definitions of radar word
- noun radar 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. 1
- noun radar a means or sense of awareness or perception: lobbyists working under the media's radar. 1
- noun radar A system for detecting the presence, direction, distance, and speed of aircraft, ships, and other objects, by sending out pulses of high-frequency electromagnetic waves that are reflected off the object back to the source. 1
- noun radar location device 1
- variable noun radar Radar is a way of discovering the position or speed of objects such as aircraft or ships when they cannot be seen, by using radio signals. 0
- noun radar a method for detecting the position and velocity of a distant object, such as an aircraft. A narrow beam of extremely high-frequency radio pulses is transmitted and reflected by the object back to the transmitter, the signal being displayed on a radarscope. The direction of the reflected beam and the time between transmission and reception of a pulse determine the position of the object 0
Information block about the term
Origin of radar
First appearance:
before 1940 One of the 7% newest English words
1940-45, Americanism; ra(dio) d(etecting) a(nd) r(anging)
Historical Comparancy
Parts of speech for Radar
noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation
radar popularity
A common word. It’s meaning is known to most children of preschool age. About 94% of English native speakers know the meaning and use the word.
Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".
radar usage trend in Literature
This diagram is provided by Google Ngram ViewerSynonyms for radar
noun radar
- locater — a person who locates something.
- detector — A detector is an instrument which is used to discover that something is present somewhere, or to measure how much of something there is.
- sensor — a mechanical device sensitive to light, temperature, radiation level, or the like, that transmits a signal to a measuring or control instrument.
- sonar — a method for detecting and locating objects submerged in water by echolocation.
Top questions with radar
- what does radar stand for?