power tube

noun

Definition of power tube

: a vacuum tube of large output suitable for use as a generator of alternating current or as a power amplifier

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Learn More About power tube

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Cite this Entry

“Power tube.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/power%20tube. Accessed 4 Jul. 2022.

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