Old vacuum tube Crossword Clue
6 letters · New York Times · Sunday, October 14, 2018 · 87-Down
Appeared in 2 New York Times Crosswords between August 2011 and October 2018.
Exact puzzle match · New York Times · October 14, 2018 · 87-Down · 6 letters
TRIODE0 of 6 letters revealed
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What does this clue mean?
a thermionic vacuum tube having three electrodes; fluctuations of the charge on the grid control the flow from cathode to anode which makes amplification possible
noun
WordNet® (Princeton University)
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