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

Instead, forecasters are monitoring a recurrent coronal hole, an area where the sun’s magnetic field opens into space and allows faster solar wind to escape. — Jamie Carter, Forbes.com, 21 July 2026

For the first time, astronomers have reconstructed the magnetic field of an entire cluster of galaxies, from its central nucleus to its outer limits. — Robert Lea, Space.com, 21 July 2026

Induction happens when the magnetic field of a nearby live wire causes power to jump to inactive equipment. — Melody Petersen, Los Angeles Times, 21 July 2026

The gravity of the body can help retain some molecules, and a magnetic field can limit radiation’s ability to blast material out of the atmosphere. — John Timmer, ArsTechnica, 16 July 2026

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