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- DictionaryRa·di·o/ˈrādēō/
noun
- 1. the transmission and reception of electromagnetic waves of radio frequency, especially those carrying sound messages: "cellular phones are linked by radio rather than wires"
verb
- 1. communicate or send a message by radio: "the pilot radioed for help"
The meaning of RADIO is of, relating to, or operated by radiant energy. How to use radio in a sentence.
Radio, sound communication by radio waves, usually through the transmission of music, news, and other types of programs from single broadcast stations to multitudes of individual listeners equipped with radio receivers. Learn more about the history of radio in this article.
Radio is the technology of communicating using radio waves. [1] [2] [3] Radio waves are electromagnetic waves of frequency between 3 hertz (Hz) and 300 gigahertz (GHz). They are generated by an electronic device called a transmitter connected to an antenna which radiates oscillating electrical energy, often characterized as a wave.
Radio definition: wireless telegraphy or telephony. See examples of RADIO used in a sentence.
RADIO definition: 1. a piece of electronic equipment used for listening to radio broadcasts: 2. the programmes that…. Learn more.
a device for receiving, and sometimes broadcasting, sound messages, or the receiving or sending of sound messages: [ C ] I listen to the radio in the morning to get the weather report. Radio is also the work of broadcasting sound programs for the public to listen to. physics.
1. a system of telecommunication employing electromagnetic waves of a particular frequency range to transmit speech or other sound over long distances without the use of wires. 2. an apparatus for receiving or transmitting radio broadcasts. 3. a message transmitted by radio. adj.
Radio is the use of electromagnetic radiation to communicate electrical signals without wires, to create sound broadcasting, television, and radar. When used in the context of radio, MHz refers to the number of oscillations of electromagnetic radiation per second.
RADIO meaning: 1 : the system or process that is used for sending and receiving signals through the air without using wires often used before another noun; 2 : programs that are broadcast by radio often used before another noun
noun. uk/ˈreɪdiəʊ/us. radionoun (BROADCASTS) A1. a piece of equipment used for listening to radio broadcasts: a car radio. More examples. This radio runs on batteries. A radio was playing in the background. Could you turn the radio down, please? Does this radio work? He fiddled with the wires to get the radio working again. Want to learn more?
