spark gap

noun

Definition of spark gap

  1. :  a space between two high-potential terminals (as of an induction coil or spark plug) through which pass discharges of electricity; also :  a device having a spark gap

First Known Use of spark gap

1889


Learn More about spark gap


Seen and Heard

What made you want to look up spark gap? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!