The difference between Radio and Wireless
When used as nouns, radio means the technology that allows for the transmission of sound or other signals by modulation of electromagnetic waves, whereas wireless means the medium of radio communication.
When used as verbs, radio means to use two-way radio to transmit (a message) (to another radio or other radio operator), whereas wireless means to send a message by wireless (by radio).
Wireless is also adjective with the meaning: not having any wires.
check bellow for the other definitions of Radio and Wireless
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Radio as a noun (uncountable):
The technology that allows for the transmission of sound or other signals by modulation of electromagnetic waves.
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Radio as a noun (countable):
A device that can capture (receive) the signal sent over radio waves and render the modulated signal as sound.
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Radio as a noun (countable):
On-board entertainment system in a car, usually including a radio receiver as well as the capability to play audio from recorded media.
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Radio as a noun (countable):
A device that can transmit radio signals.
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Radio as a noun (Internet, uncountable):
The continuous broadcasting of sound recordings via the Internet in the style of traditional radio.
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Radio as a verb (ambitransitive):
To use two-way radio to transmit (a message) (to another radio or other radio operator).
Examples:
"I think the boat is sinking; we'd better radio for help.'' / ''I radioed him already.'' / ''Radio the coordinates this time.'' / ''OK. I radioed them the coordinates."
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Radio as a verb (transitive):
To order or assist (to a location), using telecommunications.
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Wireless as an adjective:
Not having any wires.
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Wireless as an adjective:
Of or relating to communication without a wired connection, such as by radio waves.
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Wireless as a noun (uncountable):
The medium of radio communication.
Examples:
"Only about a hundred years ago, wireless was a new technology."
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Wireless as a noun (uncountable):
Wireless connectivity to a computer network.
Examples:
"If your wireless stops working, try restarting the router."
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Wireless as a noun (dated):
A radio set.
Examples:
"Let's switch on the wireless and listen to the news."
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Wireless as a verb:
To send a message by wireless (by radio)