radiotelegraph

American  

[rey-dee-oh-tel-uh-graf, -grahf] / ˌreɪ di oʊˈtɛl əˌgræf, -ˌgrɑf /

noun

1. a telegraph in which messages or signals are sent by means of radio waves rather than through wires or cables.

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verb (used with or without object)

1. to telegraph by radiotelegraphy.

radiotelegraph British  

/ -ˌɡræf, ˌreɪdɪəʊˈtɛlɪˌɡrɑːf /

verb

1. to send (a message) by radiotelegraphy

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noun

1. a message sent by radiotelegraphy

Other Word Forms

• radiotelegraphic adjective

Etymology

Origin of radiotelegraph

First recorded in 1905–10; radio- + telegraph

Example Sentences

This call letter business got codified in 1912, at a “radiotelegraph” conference in London not long after RMS Titanic sank, so the power of wireless communication was very much on delegates’ minds.

From Los Angeles Times

In the late 19th century, Guglielmo Marconi invented radiotelegraph equipment, which could send Morse code over radio waves, rather than wires.

From Washington Post

Paris officials decided to save it, however, after realising that the tower, at the time tallest building in the world, could be used as a radiotelegraph station.

From The Guardian

Related Words

• transmission
• wireless