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

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, 9 Jan. 2026

When Earth's magnetic field flipped Then the researchers tried a different approach. —CBS News, 8 Jan. 2026

This method depends on the fact that Earth’s magnetic field flip-flops every few hundred thousand years. —Stephanie Pappas, Scientific American, 7 Jan. 2026

Because the bioactive nanocomposites are magnetic, oncologists can employ magnetic hyperthermia – that is, the application of an alternating magnetic field to heat the particles inside cancer cells and destroy them. —New Atlas, 3 Jan. 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