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thermionic

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adjective therm·ion·ic \ˌthər-(ˌ)mī-ˈä-nik\

Definition of thermionic

  1. :  relating to, using, or being the emission of charged particles (as electrons) by an incandescent material



Origin and Etymology of thermionic

thermion charged particle from an incandescent source, from therm- + ion


First Known Use: 1909


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to lessen in amount, effect, or force

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