- an electric charge considered to exist at a single point, and thus having neither area nor volume.
Origin of point charge
First recorded in 1900–05
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for point charge
Again take the case of two parallel infinite planes under the influence of a point-charge between them.
These charges and positions can be calculated from the result for a single sphere and point-charge.