noun ei·gen·frequency \ˈīgən+ˌ-\

Definition of eigenfrequency

  1. :  one of the frequencies with which a given oscillatory system is capable of vibrating

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Origin and Etymology of eigenfrequency

partial translation of German eigenfrequenz, from eigen- peculiar to, characteristic (from eigen own, from Old High German eigan) + frequenz frequency — more at own

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feeling or affected by lethargy

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