RADIO

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does radio mean? 

• RADIO (noun)
  The noun RADIO has 3 senses:

1. medium for communication

2. an electronic receiver that detects and demodulates and amplifies transmitted signals

3. a communication system based on broadcasting electromagnetic waves

  Familiarity information: RADIO used as a noun is uncommon.

• RADIO (adjective)
  The adjective RADIO has 1 sense:

1. indicating radiation or radioactivity

  Familiarity information: RADIO used as an adjective is very rare.

• RADIO (verb)
  The verb RADIO has 1 sense:

1. transmit messages via radio waves

  Familiarity information: RADIO used as a verb is very rare.

 Dictionary entry details 

• RADIO (noun)

Sense 1

Meaning:

Medium for communication

Classified under:

Nouns denoting communicative processes and contents

Synonyms:

radio; radiocommunication; wireless

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)

Sense 2

Meaning:

An electronic receiver that detects and demodulates and amplifies transmitted signals

Classified under:

Nouns denoting man-made objects

Synonyms:

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

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:

A communication system based on broadcasting electromagnetic waves

Classified under:

Nouns denoting man-made objects

Synonyms:

radio; wireless

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)

• RADIO (adjective)

Sense 1

Meaning:

Indicating radiation or radioactivity

Classified under:

Relational adjectives (pertainyms)

Context example:

radiochemistry

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)

• RADIO (verb)

Present simple: I / you / we / they radio    ... he / she / it radios   
Past simple: radioed   
Past participle: radioed   
-ing form: radioing   

Sense 1

Meaning:

Transmit messages via radio waves

Classified under:

Verbs of telling, asking, ordering, singing

Context example:

he radioed for help

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)

 Context examples 

A different team of scientists was able to gather data on the Cow over an even broader range of wavelengths, spanning from radio waves to gamma rays.

(Mysterious Blast Studied with NASA Telescopes, NASA)

Imaging uses methods such as x-rays (high-energy radiation), ultrasound (high-energy sound waves), and radio waves.

(Imaging, NCI Dictionary)

We've strongly suspected that hydrogen sulfide gas was influencing the millimeter and radio spectrum of Uranus for some time, but we were unable to attribute the absorption needed to identify it positively.

(What Uranus Cloud Tops Have in Common With Rotten Eggs, NASA)

Its wavelengths are generally greater than those of far ultraviolet radiation and range through the longest radio waves.

(Nonionizing Radiation, NCI Thesaurus)

Like the shimmering air on a hot summer’s day, the tenuous atmosphere in this massive galaxy should warp the signal of the fast radio burst.

(Enigmatic radio burst illuminates a galaxy’s tranquil ​halo, ESO)

Mobile communications system that uses a combination of radio wave transmission and conventional telephone switching to permit telephone communication to and from mobile users within a specified area.

(Mobile Telephone, NCI Thesaurus)

If asked, agree to be interviewed on television or radio.

(AstrologyZone.com, by Susan Miller)

Magnetic resonance imaging (MRI) uses a large magnet and radio waves to look at organs and structures inside your body.

(MRI Scans, NIH)

Using a radio antenna not much larger than a refrigerator, the researchers discovered that ancient suns were active within 180 million years of the Big Bang.

(Astronomers detect ancient signal from first stars in universe, National Science Foundation)

Evaluating a device to detect malfunctions caused by electromagnetic interference (unwanted disturbances from an external force e.g. radios, cell phones, or unintentional disturbances of another device)

(Device Electromagnetic Compatibility Evaluation Method, Food and Drug Administration)