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From Latinantenna, antemna(“yard, sailyard; pole”). First used in this sense as a Latin word in the 15th century[1] and as an English word by the end of the 17th century.
The overall shape of most insect antennae is elongate and cylindrical, although elaborations into plumose, lamellate, or pectinate forms have arisen many times in different insect lineages.
He put his fingers over his head like two antennas, crossed his eyes, and waggled his tongue like some kind of insect. In the same work, Brown uses antennae to refer to both aerials and feelers during more technical descriptions.
2010, Craig S. Charron, Daliel J. Cantliffe, "Volatile emissions from plants", Horticultural Reviews, pages 43-72, →ISBN:
The basis of these relationships lies in the olfactory chemoreceptors of insect antennas...
An apparatus to receive or transmit electromagnetic waves and convert respectively to or from an electrical signal.
2006, Kelly Pyrek, Forensic Nursing, →ISBN, page 5:
Most nurses believe they are born with an antenna of sorts, which is able to guide them through clinical practice and help them determine what is right and what is not...
2010, Mary Lou Decostérd, Right Brain/Left Brain President: Barack Obama's Uncommon Leadership Ability, →ISBN, page 106:
Obama is astute. He approaches things with the help of a sensitive antenna.
For multiple feelers the Anglicised plural, antennas, is used only rarely in scholarly works in the life sciences. In other subjects and in less formal settings, antennas is found with increased frequency.
For multiple aerials both plural forms are acceptable in scholarly works. The Latinate plural, antennae, is rarer in less formal settings.
1908 January, Reginald Fessenden, “Wireless telephony”, in Transactions of the American Institute of Electrical Engineers, volume 27, number 1, pages 553–629:
From 1898 to 1900 numerous experiments were made on antennae of large capacity and it was found that instead of using sheets of solid metal or wire netting, single wires could be placed at a considerable fraction of the wave-length apart and yet give practically the same capacity effect as if the space between them were filled with solid conductors.
When we come to the complicated forms of antennae which we use in practice to-day, it becomes excessively difficult to work out the theory mathematically.
If the distance between stations is such that the signal strength varies appreciably with time then the directivity of the receiving antennas must be greater than two to one.
...the waggling of the signal flags...was somewhat reminiscent of the vibrations of the insect's antennas... Indeed, many microwave antennas were more reminiscent of optical devices than anything resembling standard radio frequency equipment.
(In this work Hatkin uses antennas to refer to both aerials and insects.)
Bellamy found himself squinting into the glow of what appeared to be some kind of futuristic laptop with a handheld phone receiver, two antennae, and a double keyboard.
Based on results from the dielectric probe experiment, a prototype system was developed to measure microwave attenuation and phase delay between two antennae in order to detect fungal decay in wood at equilibrium moisture content.
Contrary to RF antennae, the length of such nanoantennae is shorter than half the operating wavelength for fundamental mode and this happens due to excitation of surface plasmons in the case of latter.
For simplicity of exposition, primary and secondary users are assumed initially to have one antenna, however, as shown in the sequel, most of the results can be directly extended to a scenario where each user has multiple antennas.
Some make a distinction between an antenna and an aerial, with the former used to indicate a rigid structure for radio reception or transmission, and the latter consisting of a wire strung in the air. For those who do not make a distinction, antenna is more commonly used in the United States and aerial is more commonly used in the United Kingdom.
For the faculty of intuitive astuteness, the Latinate plural is used most frequently but both forms are found.
2006, Kelly Pyrek, Forensic Nursing, →ISBN, page 514:
...they get these fully formed antennas. With them they get this amazing sense of intuition, a gut feeling about when something might be wrong.
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