magnetic bubble
noun
: a tiny movable magnetized cylindrical volume in a thin magnetic material that along with other like volumes can be used to represent a bit of information (as in a computer)
Examples of magnetic bubble in a Sentence
Recent Examples on the Web
Parts of the Sun’s magnetic field also broke free as magnetic bubbles loaded with billions of tons of plasma.
—
Dagomar Degroot, The Conversation, 28 Oct. 2025
Earth’s magnetic field radiates from our planet’s poles, arcs deep into space, and creates a vast, magnetic bubble, known as the magnetosphere, that protects us from the solar wind.
—Literary Hub, 27 Oct. 2025
Scientists say studying these oddities could reveal important clues about how Saturn's magnetic bubble exchanges energy with its atmosphere, a process that powers the planet's shimmering auroras.
—Sharmila Kuthunur, Space.com, 25 Sep. 2025
The energetic ionized particles are common to other planets’ magnetospheres, and scientists had theorized that the five major Uranian moons in the magnetic bubble should have produced them.
—Eric Lagatta, USA TODAY, 12 Nov. 2024
Auroral displays occur when Earth's magnetic bubble, called the magnetosphere, is roiled by material flowing outward from the Sun.
—Tom Yulsman, Discover Magazine, 15 Apr. 2019
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.
Dagomar Degroot, The Conversation, 28 Oct. 2025
Earth’s magnetic field radiates from our planet’s poles, arcs deep into space, and creates a vast, magnetic bubble, known as the magnetosphere, that protects us from the solar wind.
—Literary Hub, 27 Oct. 2025
Scientists say studying these oddities could reveal important clues about how Saturn's magnetic bubble exchanges energy with its atmosphere, a process that powers the planet's shimmering auroras.
—Sharmila Kuthunur, Space.com, 25 Sep. 2025
The energetic ionized particles are common to other planets’ magnetospheres, and scientists had theorized that the five major Uranian moons in the magnetic bubble should have produced them.
—Eric Lagatta, USA TODAY, 12 Nov. 2024
Auroral displays occur when Earth's magnetic bubble, called the magnetosphere, is roiled by material flowing outward from the Sun.
—Tom Yulsman, Discover Magazine, 15 Apr. 2019
Cite this Entry
“Magnetic bubble.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/magnetic%20bubble. Accessed 9 Nov. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share