field strength

American  

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.

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field strength British  

noun

1. radio television the intensity of an electromagnetic wave at any point in the area covered by a radio or television transmitter

2. physics the intensity of an electric or magnetic field See intensity

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Etymology

Origin of field strength

First recorded in 1895–1900

Example Sentences

Such maps show deviations from the average field strength over the surface of the Earth.

From The Wall Street Journal • Nov. 20, 2025

Because of the different gravitational field strength on the Moon, time moves quicker there relative to Earth - 58.7 microseconds every day.

From BBC • Apr. 3, 2024

The gradient coils generate a rising magnetic field across the brain so that each part of the brain sees a different field strength, which helps to precisely map brain activity.

From Science Daily • Nov. 27, 2023

Reduce the field strength by a factor of 25 and the polarization falls with it.

From Science Magazine • Feb. 22, 2023

But without the proper magnetic field strength, it exploded outward instead.

From "Darius the Great Is Not Okay" by Adib Khorram