Free translatorFree translator
Synonyms, antonyms, pronunciation

  Home
English Dictionary      examples: 'day', 'get rid of', 'New York Bay'




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








Advanced search
     Find words:
Starting with
Ending with
Containing
Matching a pattern  

Synonyms
Antonyms
Quotes
Words linked to  

only single words



Share |





"Antenna" Quotes from Famous Books



... 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



Words linked to "Antenna" :   radio antenna, transmitting aerial, television antenna, tentacle, sender, sensitiveness, directional antenna, aerial, tv-antenna, antennary, dish antenna, electrical device, sensitivity, antennal, omnidirectional antenna



Copyright © 2024 Free Translator.org