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Antenna   /æntˈɛnə/   Listen
Antenna

noun
(pl. antennae)
1.
An electrical device that sends or receives radio or television signals.  Synonyms: aerial, transmitting aerial.
2.
Sensitivity similar to that of a receptor organ.  Synonym: feeler.
3.
One of a pair of mobile appendages on the head of e.g. insects and crustaceans; typically sensitive to touch and taste.  Synonym: feeler.



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"Antenna" Quotes from Famous Books



... were the same articulated limbs and the various clamps and hooks for lifting and heavy hauling; the tentacles for grasping; machine guns front and back. Under the helical headpiece that was the antenna this robot seemed to have two eyes—a new feature—but closer examination showed these to be the twin lenses of a stereoscopic motion picture camera. This robot, then, could see. Or at least it could record what the lenses saw ...
— Astounding Stories, March, 1931 • Various

... marked by abundant representation of the once very successful class of Trilobites—jointed-footed, antenna-bearing, segmented marine animals, with numerous appendages and a covering of chitin. They died away entirely with the end of the Palaeozoic era. Also very notable was the abundance of predatory cuttlefishes, the bullies of the ancient seas. But it was in this period that the ...
— The Outline of Science, Vol. 1 (of 4) - A Plain Story Simply Told • J. Arthur Thomson

... brown color upon the back, while the front was striped with alternate bands of light brown and white, blending together at the edges. Its arms were fully as slender as its legs, and upon a rather long neck was perched its head — not unlike the head of a man, except that its nose ended in a curling antenna, or "feeler," and its ears from the upper points bore antennae that decorated the sides of its head like two miniature, curling pig tails. It must be admitted that the round, black eyes were rather bulging in appearance; but the expression upon the Woggle-Bug's face ...
— The Marvelous Land of Oz • L. Frank Baum

... Salem, has succeeded in rearing in considerable numbers from the eggs, the larvae of this flea. The larvae (Fig. 99, much enlarged; a, antenna; b, the terminal segments of the abdomen), when hatched, are half a line in length. The body is long, cylindrical, and pure white, with thirteen segments exclusive of the head, and provided with rather long hairs. It is very active ...
— Our Common Insects - A Popular Account of the Insects of Our Fields, Forests, - Gardens and Houses • Alpheus Spring Packard

... - a communications facility with a microwave radio transmitting and receiving antenna and required receiving and transmitting equipment for communicating ...
— The 2007 CIA World Factbook • United States

... through the use of a conventional, stationary, outdoor rooftop receiving antenna, an over-the-air signal of a primary network station affiliated with that network of Grade B intensity as defined by the Federal Communications Commission under section 73.683(a) of title 47 of the Code of Federal Regulations, as in effect ...
— Copyright Law of the United States of America and Related Laws Contained in Title 17 of the United States Code, Circular 92 • Library of Congress. Copyright Office.

... in theory," observed Bob thoughtfully, "the human body possesses inductance as well as capacity, and so might serve as an antenna. But I never thought of demonstrating it ...
— The Radio Boys Trailing a Voice - or, Solving a Wireless Mystery • Allen Chapman

... Templeton, and L. niger, Temp. It was called "Lepisma" by Fabricius, from its fish-like scales. It has six legs, filiform antenna, and the abdomen terminated by three elongated setae, two of which are placed nearly at right angles to the central one. LINNAEUS states that the European species, with which book collectors are familiar, was first brought in sugar ships from America. Hence, possibly, ...
— Sketches of the Natural History of Ceylon • J. Emerson Tennent

... of pressure] Touch — N. touch; tact, taction^, tactility; feeling; palpation, palpability; contrectation^; manipulation; massage. [Organ of touch] hand, finger, forefinger, thumb, paw, feeler, antenna; palpus^. V. touch, feel, handle, finger, thumb, paw, fumble, grope, grabble; twiddle, tweedle; pass the fingers over, run the fingers over; manipulate, wield; throw out a feeler. Adj. tactual, ...
— Roget's Thesaurus of English Words and Phrases: Body • Roget

... orchid, namely, the Catasetum, is widely different, though serving the same end; and is equally curious. Bees visit these flowers, like those of the Coryanthes, in order to gnaw the labellum; in doing this they inevitably touch a long, tapering, sensitive projection, or, as I have called it, the antenna. This antenna, when touched, transmits a sensation or vibration to a certain membrane which is instantly ruptured; this sets free a spring by which the pollen-mass is shot forth, like an arrow, in the right direction, and adheres by its ...
— On the Origin of Species - 6th Edition • Charles Darwin



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