- 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.
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
If they be connected in series, one or the other should have its make-and-break contact closed.The Boy Mechanic, Book 2
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.Gas-Engines and Producer-Gas Plants
R. E. Mathot
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.