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WordReference Random House Learner's Dictionary of American English © 2024ra•di•o•tel•e•graph /ˌreɪdioʊˈtɛləˌgræf/USA pronunciation n. [countable]- Telecommunicationsa telegraph in which messages or signals are sent by means of radio waves rather than through wires or cables.
v. [~ + object] - Telecommunicationsto send (a message) by radiotelegraph.
ra•di•o•te•leg•ra•phy /ˌreɪdioʊtəˈlɛgrəfi/USA pronunciation n. [uncountable] WordReference Random House Unabridged Dictionary of American English © 2024ra•di•o•tel•e•graph (rā′dē ō tel′ə graf′, -gräf′),USA pronunciation n. - Telecommunicationsa telegraph in which messages or signals are sent by means of radio waves rather than through wires or cables.
v.t., v.i. - Telecommunicationsto telegraph by radiotelegraphy.
- radio- + telegraph 1905–10
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