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

As a magnetar spins on its axis at nearly the speed of light, its immense magnetic field contorts, coils and twists to pump out powerful radiation. —Joseph Howlett, Scientific American, 11 Mar. 2026

Unlike conventional magnets, antiferromagnets are magnetic materials that produce no measurable external magnetic field. —Georgina Jedikovska, Interesting Engineering, 11 Mar. 2026

However, stars that had a strong magnetic field over their lifetime don’t lose it. —Andrew Paul, Popular Science, 11 Mar. 2026

The science payload to be landed there includes seismometers, a drill to allow emplacement of heat flow and electrical conductivity probes, and instruments to study the magnetic field and surface weathering. —Richard Tribou, The Orlando Sentinel, 10 Mar. 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