‘the luminous discharge of electricity from the pointed conductor of an electric machine in vigorous action where the electrified particles of…
单词 | θ77071 |
释义 | the world > matter > physics > electromagnetic radiation > electricity > discharge of electricity > [noun] > luminous (3) glow-discharge1844 ‘the luminous discharge of electricity from the pointed conductor of an electric machine in vigorous action where the electrified particles of… witch-fire1892 (a) a luminous electrical discharge which appears around a protruding object, such as a ship’s mast or a church spire, during a storm; = St. Elmo's… streamer1910 A filamentary luminosity sometimes seen to extend from an electrode in a gas when the potential difference is not great enough to produce a spark… |
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