Radio
Part of speech: noun
Definition: The technology that allows for the transmission of sound or other signals by modulation of electromagnetic waves. A device that can capture (receive) the signal sent over radio waves and render the modulated signal as sound. A device that can transmit radio signal.
Part of speech: verb
Definition: To send a message by radio
Example sentence: Cinema, radio, television, magazines are a school of inattention: people look without seeing, listen in without hearing.
Wireless
Part of speech: adjective
Definition: Not having any wires.Of or relating to wireless telegraphy.
Part of speech: noun
Definition: radioa wireless computer network
Example sentence: In many parts of the world, being able to download information on a smartphone, tablet, or laptop in a few seconds is the norm. In Silicon Valley, wireless high-speed Internet connections are more ubiquitous than Starbucks.