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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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n. - A thermionic tube having four electrodes.

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Usage examples (3)
  • Graphical Symbol in full simplified diode, indirectly heated duodiode, indirectly heated or triode, indirectly heated or duotriode with separated cathodes, indirectly heated,...
  • We thank Ruud Joosten for help with construction of the tetrode arrays and with surgeries,
  • "For recording, we used chronically implanted multi-tetrode arrays - a technique that offered us the chance to monitor many neurons at extremely high recording quality."
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We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.