Dictionary search results

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radio US English

The transmission and reception of electromagnetic waves of radio frequency, especially those carrying sound messages

radio- US English

Denoting radio waves or broadcasting

radio US Thesaurus

a two-way radio

radio car US English

A car, especially a police car, equipped with a two-way radio

clock radio US English

A combined radio and alarm clock that can be set so that the radio will come on at the desired time

radio edit US English

A modified or shortened version of a song that is suitable for broadcasting

radio wave US English

An electromagnetic wave of a frequency between about 104 and 1011 or 1012 Hz, as used for long-distance communication

talk radio US English

A type of radio broadcast in which the presenter talks about topical issues and encourages listeners to call in to air their opinions

packet radio US English

A method of broadcasting that makes use of radio signals carrying packets of data

radio button US English

(In a graphical display) an icon representing one of a set of options, only one of which can be selected at any time

radio galaxy US English

A galaxy emitting radiation in the radio-frequency range of the electromagnetic spectrum

radio jockey US English

A radio presenter or disc jockey

radio silence US English

An absence of or abstention from radio transmission

radio astronomy US English

The branch of astronomy concerned with radio emissions from celestial objects

radio frequency US English

A frequency or band of frequencies in the range 104 to 1011 or 1012 Hz, suitable for use in telecommunications

radio telescope US English

An instrument used to detect radio emissions from the sky, whether from natural celestial objects or from artificial satellites

radio-controlled US English

(Especially of an electronic model toy) controllable from a distance by radio

radio cassette player US English

An apparatus comprising a cassette player and a radio

radiopaque US English

(Of a substance) opaque to X-rays or similar radiation

radiosonde US English

An instrument carried by balloon or other means to various levels of the atmosphere and transmitting measurements by radio

crystal set US English

A simple early form of radio receiver with a crystal touching a metal wire as the rectifier (instead of a tube or transistor), and no amplifier or loudspeaker, necessitating headphones or an earphone

crystal radio in crystal set US English

A simple early form of radio receiver with a crystal touching a metal wire as the rectifier (instead of a tube or transistor), and no amplifier or loudspeaker, necessitating headphones or an earphone

radioelement US English

A radioactive element or isotope

radiogoniometer US English

An instrument for finding direction using radio waves

radiotelephone US English

A telephone that uses radio transmission

transistor radio in transistor US English

A portable radio using circuits containing transistors rather than vacuum tubes


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