the vector sum of all forces exerted by a field on a unit mass, unit charge, unit magnetic pole, etc., at a given point within the field.
Origin of field strength
First recorded in 1895–1900
Also called field intensity.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for field intensity
radio television the intensity of an electromagnetic wave at any point in the area covered by a radio or television transmitter
physics the intensity of an electric or magnetic fieldSee intensity
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012