Bible Dictionaries
Spark Gap

Webster's Dictionary

The space filled with air or other dielectric between high potential terminals (as of an electrostatic machine, induction coil, or condenser), through which the discharge passes; the air gap of a jump spark.

Bibliography Information
Webster, Noah. Entry for 'Spark Gap'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​s/spark-gap.html. 1828.