dull emitter

noun

Definition of dull emitter

: an electron tube in which the cathode is a filament which does not glow brightly

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Cite this Entry

“Dull emitter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dull%20emitter. Accessed 10 Jul. 2020.

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