proof charge (English, noun)
expansion: proof charge (plural proof charges)
Senses:
topics: engineering
firearms
government
military
natural-sciences
physical-sciences
politics
tools
war
weaponry
glosses: A charge of powder and ball, greater than the service charge, fired in an arm, as a gun or cannon, to test its strength.
qualifier: electrostatics
glosses: A small charge used to test or measure the electric field created by other charges.
Forms:
form: proof charges
tags: plural