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  1. Dictionary
    antenna
    /anˈtɛnə/

    noun

    • 1. either of a pair of long, thin sensory appendages on the heads of insects, crustaceans, and some other arthropods: "bugs use their antennae to detect blood heat"
    • 2. a rod, wire, or other device used to transmit or receive radio or television signals; an aerial: "a TV antenna"

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  2. www.techopedia.com › definition › 5041What is Antenna? - Definition from Techopedia

    Jan 5, 2017 · An antenna is a transducer that converts radio frequency (RF) fields into alternating current or vice versa. There are both receiving and transmission antennas for sending or receiving radio transmissions. Antennas play an important role in the operation of all radio equipment.

  3. dictionary.cambridge.org › dictionary › englishANTENNA | English meaning - Cambridge Dictionary

    ANTENNA definition: 1. either of a pair of long, thin organs that are found on the heads of insects and crustaceans…. Learn more.

  4. www.nasa.gov › general › what-is-an-antennaWhat is an antenna? - NASA

    Sep 3, 2018 · An antenna is a metallic structure that captures and/or transmits radio electromagnetic waves. Antennas come in all shapes and sizes from little ones that can be found on your roof to watch TV to really big ones that capture signals from satellites millions of miles away.

  5. www.merriam-webster.com › dictionary › antennaAntenna Definition & Meaning - Merriam-Webster

    The meaning of ANTENNA is one of a pair of slender, movable, segmented sensory organs on the head of insects, myriapods, and crustaceans. How to use antenna in a sentence. Did you know?

  6. www.britannica.com › technology › antenna-electronicsAntenna | Types, Uses & Benefits | Britannica

    6 days ago · Antenna, component of radio, television, and radar systems that directs incoming and outgoing radio waves. Antennas are usually metal and have a wide variety of configurations, from the mastlike devices employed for radio and television broadcasting to the large parabolic reflectors used to receive.

  7. www.dictionary.com › browse › antennaANTENNA Definition & Meaning | Dictionary.com

    Antenna definition: a conductor by which electromagnetic waves are sent out or received, consisting commonly of a wire or set of wires; aerial.. See examples of ANTENNA used in a sentence.

  8. dictionary.cambridge.org › english › antennaANTENNA | definition in the Cambridge English Dictionary

    antenna noun (ORGAN) Add to word list. [ C ] plural antennae us / ænˈten.iː / uk / ænˈten.iː /. either of a pair of long, thin organs that are found on the heads of insects and crustaceans (= animals with hard outer shells) and are used to feel with. Frank Greenaway/Dorling Kindersley/GettyImages.