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

This rapid movement could reshape ocean currents, upend ecosystems and perhaps even nudge Earth’s magnetic field. — Jacek Krywko, Scientific American, 1 Oct. 2026

Early fusion reactors relied on bulky, low-temperature magnets that generated modest magnetic fields and demanded sprawling cooling systems. — Aman Tripathi, Interesting Engineering, 30 Sep. 2026

The field was likely between one-fifth and one-third the size of Earth’s own magnetic field currently active today, the study authors noted. — Jacopo Prisco, CNN Money, 29 Sep. 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