What does RADAR mean?

Word: Radar 1. Parts of Speech:

Noun

2. Definitions:

1. A system that uses radio waves to detect and locate objects, such as aircraft or ships, especially by means of their echoes.
2. An electronic device for detecting the presence of objects, such as aircraft, ships, or vehicles, by means of radio waves reflected from their surfaces.

3. Pronunciations:

• US: /ˈreɪˌdɑr/
• UK: /ˈreɪdɑː/

4. Origin and Usage:

The term "radar" originated as an acronym for "radio detection and ranging". It was first used during World War II as a means of detecting incoming enemy aircraft. Since then, radar has been used in a variety of applications, including weather forecasting and air traffic control.

5. Synonyms:

Radio detection and ranging system, electronic detection system, sonar, lidar

6. Related Words:

Radio, laser, sonar, lidar, ultr

7. Example Sentences:

• The air traffic controller used radar to track the planes movements.
• The weatherman used radar to predict the coming storm.
• The military uses radar to detect enemy aircraft.