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make-and-break

[meyk-uh n-breyk]
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adjective
  1. noting or pertaining to a device, operated by an electric current, for automatically opening or closing a circuit once it has been closed or opened by a mechanical springlike device, as in a doorbell.
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Origin of make-and-break

First recorded in 1855–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for make-and-break

Historical Examples

  • If they be connected in series, one or the other should have its make-and-break contact closed.

    The Boy Mechanic, Book 2

    Various

  • The up-and-down movement serves as a make-and-break for the circuit.

    Practical Cinematography and Its Applications

    Frederick Arthur Ambrose Talbot

  • The same method of inspection is adopted with the make-and-break apparatus of an electric magneto.

  • Ignition was make-and-break and the inlet valves were mechanically actuated.

  • Make-and-break points, on the other hand, were unaffected by excess oil in the cylinder.