What does shortwave mean?
Shortwave refers to a type of electromagnetic wave with a relatively short wavelength, typically used for radio communication. These waves have frequencies above 3 MHz and are used for long-distance communication due to their ability to bounce off the ionosphere and return to Earth. Shortwave radio broadcasting allows for global communication, and the term is often associated with international news and broadcasts. The use of shortwave has declined with the advent of modern technologies like satellite radio and internet streaming, but it remains an important means of communication in certain contexts.
A type of electromagnetic wave with a relatively short wavelength, typically used for radio communication.
"The shortwave radio broadcasted news from around the world."
Relating to or using shortwave radio.
"The shortwave signal was strong and clear."
The plural form is used when referring to multiple types of shortwave radio signals or broadcasts.
"The station transmitted multiple shortwaves to reach different regions."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of shortwave
The term shortwave originated in the early 20th century, derived from the concept of electromagnetic waves and their wavelengths. The term is a combination of 'short' and 'wave', referring to the relatively short wavelength of these electromagnetic waves. The use of shortwave radio dates back to the 1920s, and it has been used for various purposes, including international communication and broadcasting.
How shortwave is actually used
Shortwave is often used in the context of radio communication, particularly for international broadcasts.