magnetic field

noun

: the portion of space near a magnetic body or a current-carrying body in which the magnetic forces due to the body or current can be detected

Examples of magnetic field in a Sentence

Recent Examples on the Web

Objects with strong polarization tend to be compact objects, because larger objects have messy magnetic fields that wash out any polarization. —Keith Cooper, Space.com, 12 Aug. 2025

The stunning display is caused by solar particles interacting with Earth’s magnetic field, and tonight's conditions are just right for the colors to be seen dancing across the sky — weather permitting. —Valerie Mesa, People.com, 7 Aug. 2025

As the matter orbits the black hole, the magnetic field lines get wound up, creating twin vortices like tornadoes. —Phil Plait, Scientific American, 31 July 2025

The diaphragm moves back and forth in response to an audio signal by a coil in a magnetic field. —Mark Sparrow, Forbes.com, 25 July 2025

Word History

First Known Use

1845, in the meaning defined above

Rhymes for magnetic field

• afield
• airfield
• annealed
• appealed
• brownfield
• coalfield
• concealed
• congealed
• cornfield
• downfield
• goldfield
• hayfield

Kids Definition

magnetic field

noun

: the portion of space near a magnetic body or a body carrying an electric current within which magnetic forces due to the body or current can be detected

Medical Definition

magnetic field

noun

: the portion of space near a magnetic body or a current-carrying body in which the magnetic forces due to the body or current can be detected

the magnetic field of the heart