exciter lamp

noun

a lamp that produces a light that passes through a film soundtrack and impinges on a photoelective cell causing current fluctuations that actuate a loudspeaker.

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Origin of exciter lamp

First recorded in 1935–40

Words nearby exciter lamp

excite, excited, excited state, excitement, exciter, exciter lamp, exciting, exciting eye, excito-, excitomotor, exciton
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020