radio wave

noun

Electricity.

1. an electromagnetic wave having a wavelength between 1 millimeter and 30,000 meters, or a frequency between 10 kilohertz and 300,000 megahertz.

radio wave

noun

1. an electromagnetic wave of radio frequency

radio wave

1. A very low frequency electromagnetic wave (from roughly 30 kilohertz to 100 gigahertz). Radio waves are used for the transmission of radio and television signals; the microwaves used in radar and microwave ovens are also radio waves. Many celestial objects, such as pulsars, emit radio waves.

2. See more at electromagnetic spectrum

Word History and Origins

Origin of radio wave¹

First recorded in 1915–20

Example Sentences

"Likewise bits of high ground are better for radio wave propagation, better for co-ordination of drones."

From BBC

A small number of broadcasters and non-profit organisations transmit information into the country in the dead of night on short and medium radio waves, so North Koreans can tune in to listen in secret.

From BBC

In a semi-rural location, it has a good line of sight and as radio waves travel in a straight line , it is easy for a pilot to move things in.

From BBC

This is a different kind of World War II love story, about a hidden jewel and the power of radio waves and the mysterious ways in which human decency can survive even the cruelest circumstances.

From Los Angeles Times

As well as brightening the sky and interfering with astronomy through their flashes and radio waves, satellites pollute the atmosphere on launch and on re-entry, as research from last October underscored.

From Salon

Related Words

• microwave