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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



... 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, tactile; tangible, ...
— Roget's Thesaurus of English Words and Phrases: Body • Roget

... his receiving station, Marconi found that results were much improved when he wired his sending apparatus so that one terminal was grounded and the other connected with an elevated wire or aerial, which is now called the antenna. By 1896 Marconi had brought this apparatus to a state of perfection where he could transmit messages to a distance of several miles. This Irish-Italian youth of twenty-two had mastered the problem which had baffled veteran scientists and was ready to place ...
— Masters of Space - Morse, Thompson, Bell, Marconi, Carty • Walter Kellogg Towers

... second has a key-syllable that means stretching: tend, tender, tendon, tendril, tendency, extend, subtend, distend, pretend, contend, attendant, tense, tension, pretence, intense, intensive, ostensible, tent, tenterhook, portent, attention, intention, tenuous, attenuate, extenuate, antenna, tone, tonic, standard. The form of the key-syllable for the first set of words is usually ten, tent, or tin; that for the second tend, tens, tent, or ten. You may therefore easily confuse the two groups until you have learned to look past appearances ...
— The Century Vocabulary Builder • Creever & Bachelor

... that I have ever seen. It is called 'Weta,' and is of tawny scorpion-like colour, with long antenna and great eyes, and nasty squashy-looking body, with (I think) six legs. It is a kind of animal which no one would wish to touch: if touched, it will bite sharply, some say venomously. It is very common but not often seen, and lives chiefly among ...
— A Dictionary of Austral English • Edward Morris

... I shouldn't have known much about it, either, if Bob had not told me," continued Walter. "Bob, however, talked nothing else morning, noon, and night. Often I would drop asleep while he was chattering of induction coils, wave lengths, and antenna. It makes me yawn now to think of it. My goodness, weren't Ma and I sick to death of hearing nothing but radio! Bob would rush into the house at mealtime, swallow his food whole, and tear off to Hicks's with a piece of pie in his hand, leaving all the chores ...
— Walter and the Wireless • Sara Ware Bassett



Words linked to "Antenna" :   sensitivity, dipole, receiving system, tv-antenna, feeler, nondirectional antenna, radio antenna, dipole antenna, aerial, transmitter, omnidirectional antenna, antennary, sensitiveness



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