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

Published in the journal Communications Materials, the study reveals that the research team investigated the thermoelectric transport of molybdenum disilicide MoSi2 and found that MoSi2 is an ideal transverse thermoelectric material without a magnetic field. —Prabhat Ranjan Mishra, Interesting Engineering, 5 Feb. 2026

Unlike on Earth, where the atmosphere and magnetic field provide substantial protection, astronauts are exposed to galactic cosmic rays and solar radiation. —Sharmila Kuthunur, Space.com, 4 Feb. 2026

The space weather center issued a G1 geomagnetic storm watch for a heightened risk of minor disturbances to Earth's magnetic field from the portion of the field that may reach the Earth. —Dinah Voyles Pulver, USA Today, 3 Feb. 2026

Solar flares are often precursors to Coronal Mass Ejections (CME) -- a massive burst of solar material and magnetic field from the sun's outer atmosphere. —Julia Jacobo, ABC News, 3 Feb. 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