Library / English Dictionary

RADIO

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

A communication system based on broadcasting electromagnetic waves

Synonyms:

radio; wireless

Classified under:

Nouns denoting man-made objects

Hypernyms ("radio" is a kind of...):

communication system (a system for communicating)

Meronyms (parts of "radio"):

radio; radio receiver; radio set; receiving set; tuner; wireless (an electronic receiver that detects and demodulates and amplifies transmitted signals)

radio transmitter (transmitter that is the part of a radio system that transmits signals)

Hyponyms (each of the following is a kind of "radio"):

radiotelegraph; radiotelegraphy; wireless telegraph; wireless telegraphy (the use of radio to send telegraphic messages (usually by Morse code))

Derivation:

radio (transmit messages via radio waves)

Sense 2

Meaning:

An electronic receiver that detects and demodulates and amplifies transmitted signals

Synonyms:

radio; radio receiver; radio set; receiving set; tuner; wireless

Classified under:

Nouns denoting man-made objects

Hypernyms ("radio" is a kind of...):

receiver; receiving system (set that receives radio or tv signals)

Meronyms (parts of "radio"):

detector (electronic equipment that detects the presence of radio signals or radioactivity)

demodulator; detector (rectifier that extracts modulation from a radio carrier wave)

amplifier (electronic equipment that increases strength of signals passing through it)

Hyponyms (each of the following is a kind of "radio"):

clock radio (a radio that includes a clock that can be set to turn it on automatically)

crystal set (an early radio receiver using a crystal detector)

heterodyne receiver; superhet; superheterodyne receiver (a radio receiver that combines a locally generated frequency with the carrier frequency to produce a supersonic signal that is demodulated and amplified)

push-button radio (a radio receiver that can be tuned by pressing buttons)

Holonyms ("radio" is a part of...):

radio; wireless (a communication system based on broadcasting electromagnetic waves)

radio-gramophone; radio-phonograph (electronic equipment consisting of a combination of a radio receiver and a record player)

Derivation:

radio (transmit messages via radio waves)

Sense 3

Meaning:

Medium for communication

Synonyms:

radio; radiocommunication; wireless

Classified under:

Nouns denoting communicative processes and contents

Hypernyms ("radio" is a kind of...):

broadcasting (taking part in a radio or tv program)

Domain member category:

raise (establish radio communications with)

Derivation:

radio (transmit messages via radio waves)

 II. (adjective) 

Sense 1

Meaning:

Indicating radiation or radioactivity

Example:

radiochemistry

Classified under:

Relational adjectives (pertainyms)

Domain usage:

combining form (a bound form used only in compounds)

Pertainym:

radiant energy (energy that is transmitted in the form of (electromagnetic) radiation; energy that exists in the absence of matter)

 III. (verb) 

Sense 1

Meaning:

Transmit messages via radio waves

Example:

he radioed for help

Classified under:

Verbs of telling, asking, ordering, singing

Hypernyms (to "radio" is one way to...):

communicate; intercommunicate (transmit thoughts or feelings)

Sentence frames:

Somebody ----s somebody something
Somebody ----s something to somebody

Sentence examples:

They radio them the information

They radio the information to them

Derivation:

radio (a communication system based on broadcasting electromagnetic waves)

radio (an electronic receiver that detects and demodulates and amplifies transmitted signals)

radio (medium for communication)

Credits

 Context examples: 

So it swings around as the planet rotates, enabling scientists to measure a periodic signal in radio waves to get the rotation rate.

(Scientists Finally Know What Time It Is on Saturn, NASA)

It is a capsule that is about the size of a large pill, with a lens, a light, a camera, a radio transmitter, and a battery inside.

(Capsule endoscope, NCI Dictionary)

Concept also refers to a return telephone or radio call, particularly when a survey is conducted; and to a recall of a recently sold product (e.g. pharmaceutical) by the manufacturer.

(Callback, NCI Thesaurus)

Send a message or attempt to reach someone by radio, phone, etc.

(Call, NCI Thesaurus)

Hospital Anxiety and Depression Scale (HADS) I can enjoy a good book or radio or television programme.

(HADS - I Can Enjoy a Good Book or Radio or Television Programme, NCI Thesaurus)

The multifunctional nuclease APE1 is a key component for DNA repair; its expression is often correlated with tumor cell resistance to radio- and chemotherapy.

(Lucanthone, NCI Thesaurus)

There are 3 mobile phone operators and one radio antenna, an FM radio, so modulated frequencies.

(Health threats caused by mobile phone radiation, EUROPARL TV)

Changing conditions on the sun and in space can affect various technologies on Earth, blocking radio communications, damaging power grids and diminishing navigation system accuracy.

(Detecting solar flares in real time, National Science Foundation)

The heat may come from electric currents, microwaves, radio waves, or ultrasound.

(Diathermy, NCI Dictionary)

It includes radio waves, microwaves, infrared light, visible light, ultraviolet light, x-rays, and gamma rays.

(Electromagnetic radiation, NCI Dictionary)