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pentode: Meaning and Definition of

pen•tode

Pronunciation: (pen'tōd), [key]
— n. Electronics.
  1. a vacuum tube having five electrodes, usually a plate, three grids, and a cathode, within the same envelope.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
pentobarbital pentolite
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