from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Telegraphy in which messages are transmitted by radio instead of wire.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The process and techniques of sending telegrams using radio waves rather than wires.
from the GNU version of the Collaborative International Dictionary of English
- n. Telegraphy using the radiant energy of radio waves; wireless telegraphy; -- the term adopted for use by the Radiotelegraphic Convention of 1912.
from The Century Dictionary and Cyclopedia
- n. Telegraphy by means of electric waves; wireless telegraphy.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the use of radio to send telegraphic messages (usually by Morse code)
- n. telegraphy that uses transmission by radio rather than by wire
Paul Dane of the Society of Wireless Pioneers provided invaluable insights into the International Morse Code and its difference from Japanese radiotelegraphy.
Transmissions to and from the entire Japanese fleet were in radiotelegraphy, not voice.
The machine had been secretly developed by the Underwood Typewriter Company33 to convert the unique dot-dash radiotelegraphy code of the Imperial Japanese Navy to Latin-alphabet equivalents.
= Used for all visual and sound signaling, radiotelegraphy, and on cables using siphon recorders, used in communicating with Navy.
"It was inspired by the passion of Marconi," said Mr. Lodi, referring to the 1909 winner of the Nobel Prize in Physics credited with inventing radiotelegraphy.
After the end of his career in business, marred by the failure of the Panama Canal, Eiffel began an active life of scientific experimental research in the fields of meteorology, radiotelegraphy and aerodynamics.
1914: An aerological section is established within the Weather Bureau to meet growing needs of aviation; first daily radiotelegraphy broadcast of agricultural forecasts by the University of North Dakota
Though Morimura’s bomb plot message of August 21, 1941 has never been released publicly by the United States, its radiotelegraphy route from Honolulu to San Francisco to Washington to Tokyo can be traced in Japanese and American records.
In the Japanese navy’s radio-address code (Yobidashi Fugo), the suffix 49 always designated the staff communications (radiotelegraphy) officer of each command.