The Collaborative International Dictionary
Wireless \Wire"less\, a. Having no wire; specif. (Elec.), designating, or pertaining to, a method of telegraphy, telephony, or other information transmisssion, in which the messages, data, etc., are transmitted through space by electric waves; as, a wireless message; a wireless network; a wireless keyboard.
Wireless telegraphy or Wireless telegraph (Elec.), any system of telegraphy employing no connecting wire or wires between the transmitting and receiving stations.
Note: Although more or less successful researchers were made on the subject by Joseph Henry, Hertz, Oliver Lodge, and others, the first commercially successful system was that of Guglielmo Marconi, patented in March, 1897. Marconi employed electric waves of high frequency set up by an induction coil in an oscillator, these waves being launched into space through a lofty antenna. The receiving apparatus consisted of another antenna in circuit with a coherer and small battery for operating through a relay the ordinary telegraphic receiver. This apparatus contains the essential features of all the systems now in use.
Wireless telephone, an apparatus or contrivance for wireless telephony.
Wireless telephony, telephony without wires, usually employing electric waves of high frequency emitted from an oscillator or generator, as in wireless telegraphy. A telephone transmitter causes fluctuations in these waves, it being the fluctuations only which affect the receiver.
WordNet
n. the use of radio to send telegraphic messages (usually by Morse code) [syn: radiotelegraph, radiotelegraphy, wireless telegraphy]
Usage examples of "wireless telegraph".
Where would he be without a knowledge of the wireless telegraph code now?
At last came a morning when the wireless telegraph operator aboard picked up a signal from shore and announced that the Romanic was less than a hundred miles from Boston light.
One of the first things I noticed was that there rose from the roof the primitive inverted V aerial of a wireless telegraph.
It was dotted with bright-looking, steep-roofed, villages, and each showed a distinctive and interesting church beside its wireless telegraph steeple.
Finally one of the children inquired why we couldn't hear from Princess Dorothy by wireless telegraph, which would enable her to communicate to the Historian whatever happened in the far-off Land of Oz without his seeing her, or even knowing just where Oz is.
It seemed that whether they were the work of an individual genius or a variety of hard-working scientists, the airships and the sub aquatic boats, the electrical wonders, the wireless telegraph and so on, would nonetheless come into existence at some time.
Soon from the aerials snapped the vicious sparks that told of the wireless telegraph being worked.
By the same token, the meaning of a telegram that we send does not stand in any one-to-one relation with the properties of the electromagnetic waves of the wireless telegraph.
Then he went down to the hotel wireless telegraph office and filed his coded missive.
It gathers up the natural electricity of his thought-impulses and translates them into dots, rather like a wireless telegraph.
Had it sent back a message by wireless telegraph, the fleet would have changed course toward any vessels presumptuous enough to challenge the USA in these waters.