Definition of "multivibrator" []

• An electronic circuit used to implement a variety of simple two-state systems such as oscillators, timers, and flip-flops. (noun)

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• "We used to call that a multivibrator but its not decent these days."
• "The Vostok ice core data looks like the output from an astable multivibrator."
• "Also, this hadn't occurred to me until now, but this kind of machine could actually be used as a time delay, in the same manner as a monostable multivibrator."