field strength

noun

, Physics.

1. 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.

field strength

noun

1. radio television the intensity of an electromagnetic wave at any point in the area covered by a radio or television transmitter
2. See intensity
   physics the intensity of an electric or magnetic field See intensity

Word History and Origins

Origin of field strength¹

First recorded in 1895–1900

Example Sentences

Most sources say that permanent magnets lose their field strength at a rate of 1% per year.

From Popular-Science

A field rheostat is provided to adjust the field strength of B.

From Project Gutenberg

Carefully he nudged the field strength back up, and suddenly there were seven hundred ten pounds indicated thrust.

From Project Gutenberg

The field strength of the electromagnets, controlled by rheostats, instantly shaped the charge into a glowing ball of fire!

From Project Gutenberg

The slightest variation in field strength triggered an instant response from the ball of energy.

From Project Gutenberg

It was known that with a given mass and a given field-strength, one could get an effective speed of an unbelievable figure.

From Project Gutenberg