radar

B2 Topic:Aviation & Flight

US /ˈɹeɪˌdɑɹ/ UK /ˈɹeɪdɑː/ See IPA manual

Freq #4125

Meanings

1

noun
A system that uses radio waves to find the position and speed of distant objects such as ships and planes.

The pilot spotted the storm on the plane's radar.
2

noun
A natural ability to notice or sense something.

She has a good radar for spotting talented young players.

Thesaurus

Synonyms

1 noun · a system that uses radio... radiolocation

Word family

Forms radars

Derived forms antiradargaydargeoradarhetdarlidarnonradarphotoradarpsrraconradargramradarkymogramradarless

Appears in

Phrases (1)

See all

radar echo
a radar signal reflected from an object back to the receiver

Noun + noun

Simplified etymology

Radar, dating from 1940, was formed from the initial letters of “radio detection and ranging.”

Etymology

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.

Topics

Aviation & Flight Abstract Ideas

External links

# radar

**Type:** Word
**Level:** B2
**Part of speech:** noun
**IPA (US):** /ˈɹeɪˌdɑɹ/
**IPA (UK):** /ˈɹeɪdɑː/
**Frequency rank:** 4125

## Meanings
1. A system that uses radio waves to find the position and speed of distant objects such as ships and planes.
2. A natural ability to notice or sense something.

## Examples
- The pilot spotted the storm on the plane's radar.
- She has a good radar for spotting talented young players.

## Derived Forms
- antiradar
- gaydar
- georadar
- hetdar
- lidar
- nonradar
- photoradar
- psr
- racon
- radargram
- radarkymogram
- radarless

## Etymology
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.

## AI Etymology
Radar 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. Modern senses include a system that uses radio waves to find the position and speed of distant objects such as ships and planes. and a natural ability to notice or sense something.. The wider word family includes derivatives such as antiradar, gaydar, georadar, hetdar, lidar, and nonradar.

## Topics
- Aviation & Flight
- Abstract Ideas

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