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Antenna   Listen
noun
Antenna  n.  (pl. antennae)  
1.
(Zool.) A movable, articulated organ of sensation, attached to the heads of insects and Crustacea. There are two in the former, and usually four in the latter. They are used as organs of touch, and in some species of Crustacea the cavity of the ear is situated near the basal joint. In insects, they are popularly called horns, and also feelers. The term in also applied to similar organs on the heads of other arthropods and of annelids.
2.
(Electronics) A metallic device, variously shaped, designed for the purpose of either transmitting or receiving radio waves, as for radio or television broadcasting, or for transmitting communication signals. Some types are: whip antenna, antenna tower, horn antenna, dish antenna, directional antenna and rabbit ears. See transmitter, receiver.






Collaborative International Dictionary of English 0.48








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"Antenna" Quotes from Famous Books



... range of fifty thousand yards, the antenna, a thick piece of steel cable, might as well have ...
— On the Trail of the Space Pirates • Carey Rockwell

... in its operation resembles the opening of a giant pair of shears, raises the mast and umbrella-shaped antenna, and the average time in getting the apparatus ready for service is only ...
— The Brighton Boys in the Radio Service • James R. Driscoll

... rapidly, and as they were well supplied with material and tools the progress made by them measured up to expectations. They fashioned a two-wire antenna with the spreaders left on the island by Hal's cousin; connected a lead-in to this, and then Cub and Bud climbed the two trees and, with the aid of ropes tied around their waists and the guiding assistance of their companions below, drew the "ether-wave feeler" ...
— The Radio Boys in the Thousand Islands • J. W. Duffield



Words linked to "Antenna" :   dish antenna, radio antenna, dipole, dipole antenna, nondirectional antenna, transmitter, television antenna, sender, tv-antenna, antennal, directional antenna, tentacle



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