heptode

noun

hep·​tode
ˈhepˌtōd
plural -s
: a vacuum tube with seven electrodes including a cathode, an anode, a control grid, and four additional grids or other electrodes

Word History

Etymology

International Scientific Vocabulary hepta- + -ode

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Cite this Entry

“Heptode.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heptode. Accessed 22 Jul. 2024.

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