How to Use magnetic field in a Sentence

magnetic field

noun
  • When the magnetic field flips, the sun’s north and south poles change places.
    — Elizabeth Gamillo, Smithsonian Magazine, 1 Nov. 2021
  • The magnetic field around our sun is a restless thing.
    — Kiona N. Smith, Space.com, 9 Dec. 2025
  • So the idea is that Mars must have lost its magnetic field at some point.
    — Eva Botkin-Kowacki, The Christian Science Monitor, 7 May 2018
  • The problem is that the heart’s magnetic field is weak.
    — Deni Ellis Béchard, Scientific American, 8 Apr. 2026
  • That is, their free electron spins will align with the magnetic field.
    — IEEE Spectrum, 30 Apr. 2026
  • Today, the moon doesn't have a magnetic field at all.
    — Stefanie Waldek, Space.com, 27 Feb. 2026
  • In these parts, lines that guide the sun’s magnetic field seem to blow outward.
    — Rahul Rao, Popular Science, 24 Aug. 2023
  • When a strong magnetic field is present, that wide cone narrows and is then called a jet.
    — Jeanna Bryner, Scientific American, 4 June 2026
  • Rock formation acts as a way to track the changes in the magnetic field.
    — Ashley Strickland, CNN, 18 Dec. 2019
  • In every tokamak, there is a null point in the magnetic field.
    — Chris Lee, Ars Technica, 27 Oct. 2020
  • Both the white dwarf and the red dwarf have their own intrinsic magnetic fields.
    — Keith Cooper, Space.com, 2 June 2026
  • Could some humans be able to sense the Earth’s magnetic field?
    — Caroline Delbert, Popular Mechanics, 18 Mar. 2020
  • Small bodies don't have a large enough magnetic field to create this much force.
    — John Timmer, Ars Technica, 28 June 2018
  • Sunspots result from areas of the sun that have stronger magnetic fields.
    — Doyle Rice, USA TODAY, 18 May 2024
  • Sunspots result from areas of the sun that have stronger magnetic fields.
    — Doyle Rice, USA TODAY, 13 May 2023
  • Its magnetic field is about a billion times stronger than Earth's.
    — NBC News, 1 July 2021
  • When the solar cycle peaks, the sun’s magnetic field flips as well.
    — Will Sullivan, Smithsonian Magazine, 22 Aug. 2023
  • Every once in a while, Earth's magnetic field flips.
    — CBS News, 8 Jan. 2026
  • New research shows that the moon hasn’t had a magnetic field in the last 4 billion years.
    — Caroline Delbert, Popular Mechanics, 3 Sep. 2021
  • Wiggling the direction of the magnetic field made the beads move in and out.
    — Adrian Cho, Science | AAAS, 13 May 2021
  • Earth is lucky to have a magnetic field that shields it from the solar wind, while Venus gets slammed by it.
    — Passant Rabie / Gizmodo, Quartz, 8 May 2024
  • This allowed the researchers to map the magnetic field lines of the black hole, per the statement.
    — Will Sullivan, Smithsonian Magazine, 27 Mar. 2024
  • The flow of plasma within the sun creates the star’s magnetic field.
    — Will Sullivan, Smithsonian Magazine, 24 May 2024
  • However, stars that had a strong magnetic field over their lifetime don’t lose it.
    — Andrew Paul, Popular Science, 11 Mar. 2026
  • Earth’s magnetic field is weaker above and around the poles, across a stretch known as the auroral oval.
    — Stephanie Vermillion, National Geographic, 4 Aug. 2020
  • The process is much like how Earth's magnetic field forms in its spinning, liquid iron core.
    — Victoria Corless, Space.com, 19 May 2025
  • The birds are born with that knowledge, maybe tied to the Earth’s magnetic field and landforms.
    — Anchorage Daily News, 10 Aug. 2019
  • The disk has an intense magnetic field embedded in it.
    — Phil Plait, Scientific American, 16 Oct. 2025
  • For that, Earth’s magnetic field—powered by the motion of its core—holds the key.
    — Marissa Grunes, Scientific American, 19 Mar. 2026
  • The post is correct that Earth's magnetic field has weakened.
    — Kate S. Petersen, USA TODAY, 6 Aug. 2022

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'magnetic field.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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