coercive force

coercivity

[koh-er-siv-i-tee]
noun Electricity.
the magnetic intensity needed to reduce to zero the magnetic flux density of a fully magnetized magnetic specimen or to demagnetize a magnet.
Also called coercive force.


Origin:
1895–1900; coercive + -ity

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Collins
World English Dictionary
coercive force
 
n
Compare coercivity a measure of the magnetization of a ferromagnetic material as expressed by the external magnetic field strength necessary to demagnetize it. Measured in amperes per metre

coercivity (ˌkəʊɜːˈsɪvɪtɪ)
 
n
Compare coercive force the magnetic-field strength necessary to demagnetize a ferromagnetic material that is magnetized to saturation. It is measured in amperes per metre

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American Heritage
Science Dictionary
coercivity   (kō'ər-sĭv'ĭ-tē)  Pronunciation Key 
The magnetic flux density needed to reduce the magnetization of a material (especially a ferromagnetic material) from complete saturation to zero. Coercivity is measured in teslas. Compare remanence.
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