radar

CEFRB1

/ˈɹeɪdɑː/

noun

Türkçe translations

Translating…

In plain English

  1. 01

    noun

    A system that uses radio waves to find distant objects.

  2. 02

    noun

    Extra detail

    Alternative letter-case form of radar.

Examples

  • The ship is not equipped with radar.

  • The boat was equipped with radar.

At a glance

Sits at B1 on the CEFR scale

Senses
5
Parts of speech
1
Citations
5

Deep Dive

noun

Extra meanings

  1. To use a radar apparatus (noun senses 1, 1.1, or 2) on (someone or something); to scan (someone or something) with, or as if with, radar.

  2. 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. 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.

More examples

In context

  • They located the ship by radar.

  • Each of these aircraft has been upgraded with a new radar and a more powerful engine.

  • The Ministry of Defence funded the development of an entirely new radar and improved avionics.

Quick test

Two questions on this entry. Nothing is scored.

Question 1 · Quick check

The air traffic controller uses blank to track planes during heavy fog.

Practise this properly in the app, where the word comes back before you forget it.

Nearby

Origin

noun

English RADAR English radar The noun is derived from RADAR by anacronymic evolution. RADAR is an acronym of ra(dio) d(etection) a(nd) r(anging) which was coined by Lieutenant-Commander Samuel M. Tucker and Lieutenant-Commander F. R. Furth of the United States Navy in November 1940. The verb is probably derived from the noun.