Meaning of RADAR in English

RADAR

transcription, транскрипция: [ ˈrā-ˌdär ]

noun

Usage: often attributive

Etymology: ra dio d etecting a nd r anging

Date: 1941

1. : a device or system consisting usually of a synchronized radio transmitter and receiver that emits radio waves and processes their reflections for display and is used especially for detecting and locating objects (as aircraft) or surface features (as of a planet)

2. : range of notice

fell off the radar after losing their first three games

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.