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radar

noun

Simple meaning

Often preceded by a descriptive word: a natural or human-made detection method based on the analysis of reflected signals other than radio waves.

Pronunciation

Say it like this:

raydahr

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US device voice
IPA pronunciation (US)

ˈɹeɪdɑɹ

This word is pronounced essentially the same in American and British English, so one transcription covers both.

IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.

Word Review

Definition

Everyday modern meanings first, grouped by part of speech.

noun

  1. uncountableby extension

    Often preceded by a descriptive word: a natural (for example, in an animal such as a bat) or human-made detection method based on the analysis of reflected signals other than radio waves, as light waves or sound waves; (countable) an instance of this.

  2. uncountable

    In full primary radar: a method of detecting a distant object and determining its position, velocity, or other characteristics by analysing radio waves (usually microwaves) which are sent towards the object and which reflect off its surfaces; also, the field of study of this method.

  3. countable

    Often preceded by a descriptive word: a system using one of the above detection methods, differentiated by configuration or platform, frequency, power, and other technical attributes.

  4. countable

    An installation of the apparatus for operating one of the above detection systems.

  5. countablefigurative

    A superior ability to detect something; an awareness, an intuition.

Word at a Glance

Difficulty
B1 · Intermediate (estimated)
Frequency
Common
Typical Use
General English

More ways to use radar

  • “Air traffic control uses radar to track all planes flying nearby.”

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Common Patterns and Combinations

How this word naturally appears with others.

Full / preceded

radar screenradar systemaperture radar

Other combinations

weather radarradar equipmentradar dataradar crossradar station

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Word Family

Related forms, grouped by how they connect.

Compound terms

Established multiword terms.

  • radar beaconnounCompound term

    A device that, on receiving radar signals, transmits coded signals in response to help navigators determine their position.

  • radar domenounCompound term

    A housing for a radar antenna.

  • radar echonounCompound term

    An electronic signal that has been reflected back to the radar antenna.

  • radar firenounCompound term

    Gunfire aimed a target that is being tracked by radar.

  • radar targetnounCompound term

    A radar echo displayed so as to show the position of a reflecting surface.

  • doppler radarnounCompound term

    Radar that uses the Doppler shift to measure velocity.

Related Words

Connected to the same idea, not synonyms.

More about this wordSynonyms, forms, origin

Synonyms

Sense: often preceded by a descriptive word

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Dictionary data from Wiktionary via the Free Dictionary API. Simple meanings, combinations and word intelligence are built from verified reference data, no AI is used to load this page.