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 process is much like how Earth's magnetic field forms in its spinning, liquid iron core. —Victoria Corless, Space.com, 19 May 2025

Key Background Northern lights are caused by interactions between the sun’s solar wind and Earth’s magnetic field, creating a collision of particles that produce light known as aurora. —Antonio Pequeño Iv, Forbes.com, 17 May 2025

Auroras can occur following a solar storm, when the sun suddenly blasts charged particles, energy and magnetic fields into the solar system. —Lillian Ali, Smithsonian Magazine, 16 May 2025

These are often too weak to have considerable impacts here on Earth, although stronger events can pierce the planet’s magnetic field and disrupt technological systems. —Jack Knudson, Discover Magazine, 15 May 2025

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