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单词 magnetoresistance
释义

magnetoresistancen.

Brit. /maɡˌniːtəʊrᵻˈzɪst(ə)ns/, U.S. /mæɡˈˌnɛdoʊrəˈˌzɪstəns/, /mæɡˈˌnidoʊrəˈˌzɪstəns/, /mæɡˈˌnɛdoʊriˈˌzɪstəns/, /mæɡˈˌnidoʊriˈˌzɪstəns/
Origin: Formed within English, by compounding. Etymons: magneto- comb. form, resistance n.
Etymology: < magneto- comb. form + resistance n. (compare sense 4a at that entry).
Physics.
Dependence of the electrical resistance of a body on an external magnetic field.
ΘΚΠ
the world > matter > physics > electromagnetic radiation > electricity > electrically induced magnetism > [noun] > field > resistance dependent on
magnetoresistance1930
1930 L. W. McKeehan in Physical Rev. 36 949 The magneto-resistance effect in non~ferromagnetics is only measurable with accuracy in very intense magnetic fields.
1961 Engineering 22 Dec. 823 One of the first practical devices to use the phenomenon of magnetoresistance is a voltage regulator.
1980 Sci. Amer. Apr. 94/2 Magnetoresistance sensors..are employed to detect the presence of magnetic fields, notably in bubble memory devices.
This entry has been updated (OED Third Edition, March 2000; most recently modified version published online March 2022).
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n.1930
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