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pliotron

[ plahy-uh-tron ]
/ ˈplaɪ əˌtrɒn /
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noun Electronics.
any hot-cathode vacuum tube having an anode and one or more grids.
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Origin of pliotron

First recorded in 1910–15; formerly a trademark
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
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