radarnoun [ U ]
uk/ˈreɪ.dɑːr/us/ˈreɪ.dɑːr/a system that uses radio waves to find the position of objects that cannot be seen:
Other vessels in the area show up on the ship's radar (screen).
Thesaurus: synonyms and related words
Broadcasting: radio
- am
- antenna
- autotune
- bandwidth
- CB
- Citizens' Band
- digital radio
- MW
- omnidirectional
- pirate
- playlist
- public broadcasting
- receiver
- reception
- tranny
- transponder
- tuner
- two-way
- UHF
- VHF
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Idiom(s)
beneath the/sb's radar
on/off sb's radar