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
Validating system-level performance Creating fusion energy requires extremely strong magnetic fields to confine and control hydrogen fuel, which is heated to a plasma state several times hotter than the sun’s core.
—
Aman Tripathi, Interesting Engineering, 22 Nov. 2025
Auroras are light shows that happen when charged particles from the sun interact with Earth's atmosphere and magnetic field, while airglow is luminescence caused by chemical reactions high in the atmosphere.
—Elizabeth Howell, Space.com, 21 Nov. 2025
Such activity, also known as space weather events, can include eruptions of high-energy light called solar flares, as well as coronal mass ejections, which are giant blobs of solar plasma and magnetic field blasted into space.
—Meghan Bartels, Scientific American, 19 Nov. 2025
In our solar system, this phenomenon is a large cloud of ionized gas, called plasma, and magnetic fields that erupts from the sun’s outer atmosphere.
—Ashley Strickland, CNN Money, 16 Nov. 2025
See All Example Sentences for magnetic field
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Aman Tripathi, Interesting Engineering, 22 Nov. 2025
Auroras are light shows that happen when charged particles from the sun interact with Earth's atmosphere and magnetic field, while airglow is luminescence caused by chemical reactions high in the atmosphere.
—Elizabeth Howell, Space.com, 21 Nov. 2025
Such activity, also known as space weather events, can include eruptions of high-energy light called solar flares, as well as coronal mass ejections, which are giant blobs of solar plasma and magnetic field blasted into space.
—Meghan Bartels, Scientific American, 19 Nov. 2025
In our solar system, this phenomenon is a large cloud of ionized gas, called plasma, and magnetic fields that erupts from the sun’s outer atmosphere.
—Ashley Strickland, CNN Money, 16 Nov. 2025
See All Example Sentences for magnetic field
Cite this Entry
“Magnetic field.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/magnetic%20field. Accessed 26 Nov. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share