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ground plane

noun

  1. (in perspective drawing) the theoretical horizontal plane receding from the picture plane to the horizon, beginning at the level of the base line.
  2. Electricity. a ground plate or an underground mesh of radial wires connected to a vertical antenna ground plane antenna that is grounded in order to provide suitable radiation characteristics.


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Word History and Origins

Origin of ground plane1

First recorded in 1825–35

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ground planground-plane aerial