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pliotron

American

[plahy-uh-tron] / ˈplaɪ əˌtrɒn /

noun

Electronics.

any hot-cathode vacuum tube having an anode and one or more grids.

Etymology

Origin of pliotron

First recorded in 1910–15; formerly a trademark

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.