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/ˌɹeɪ.di.əʊ.təˈlɛɡ.ɹə.fi/ · noun
The process and techniques of sending telegrams using radio waves rather than wires..
Use radiotelegraphy when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Radiotelegraphy means The process and techniques of sending telegrams using radio waves rather than wires..
Common synonyms include wireless telegraphy, radiotelegraph, wireless telegraph.
The opposite depends on the specific sense.
Use radiotelegraphy where its definition matches the intended context.
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