A power supply

\ ˈā- \

Definition of A power supply

: a battery or transformer supplying electric power to heat the cathode in an electron tube — compare b power supply , c power supply; a battery

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History and Etymology for A power supply

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Cite this Entry

“A power supply.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/A%20power%20supply. Accessed 30 Oct. 2020.

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