definitions
  • synonyms

parabolic antenna

[ păr′ə-bŏlĭk ]

An antenna used for sending or receiving radio signals that uses the principle of a parabolic mirror to focus incoming signals onto one reception point or direct the emissions of signals from a focal source point into a directed beam. Parabolic antennae are used extensively in radio communications, especially with satellites, and in radar. Also called dish antenna

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Nearby words

parables, parabola, parabole, parabolic, parabolic aerial, parabolic antenna, parabolic mirror, parabolize, paraboloid, parabrake, parabulia
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.