Definition of magnetic field
: 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
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Recent Examples of magnetic field from the Web
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And some of them also preserve evidence of the reversals in Earth’s magnetic field that happen from time to time, and which act as useful date markers.
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Ultimately, the results will improve models of how the planet lost the magnetic field that its core once generated, says George Helffrich, a geophysicist at the Tokyo Institute of Technology’s Earth-Life Science Institute.
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When the officer draws his or her weapon, the magnetic field is broken, and a Bluetooth signal is sent to the camera on the officer's chest.
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These tiny bots are controlled by precise magnetic fields generated by an array of electromagnets.
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The magnetic field within the scanner is more homogenous.
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Alternatively, d is one of the planets that is likely to be cooked by induction heating from the star's magnetic field, so the greenhouse gases may be unnecessary for boiling off its oceans.
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The instrumentation aboard Explorer I was designed and built by Dr. James Van Allen and discovered the existence of the earth's magnetic field, later named the Van Allen Belts.
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At the same time, Juno is busy sampling Jupiter’s magnetic field, which is stronger than expected in some places and weaker in others, astronomers announced in the May issue of Science.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'magnetic field.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of magnetic field
1845
MAGNETIC FIELD Defined for Kids
magnetic field
Definition of magnetic field for Students
: the portion of space near a magnetic object within which magnetic forces can be detected
Medical Dictionary
magnetic field
medical Definition of magnetic field
: 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
Learn More about magnetic field
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Spanish Central: Translation of magnetic field Nglish: Translation of magnetic field for Spanish speakers Britannica.com: Encyclopedia article about magnetic field
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