aeolight

noun
aeo·​light | \ ˈē-ə-ˌlīt\

Definition of aeolight

: a gas-discharge glow lamp which is used in optical sound recording and the luminous intensity of which can be varied by varying the terminal voltage

First Known Use of aeolight

circa 1930, in the meaning defined above

History and Etymology for aeolight

perhaps from Greek aiolos quick-moving, glittering + English light

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