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单词 paramagnet
释义

paramagnetn.

Brit. /ˈparəmaɡnᵻt/, U.S. /ˈpɛrəˌmæɡnət/
Origin: Formed within English, by derivation. Etymons: para- prefix1, magnet n.
Etymology: < para- prefix1 + magnet n., after paramagnetic adj. Compare earlier paramagnetic n., paramagnetism n.
Physics.
A paramagnetic body or substance.
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the world > matter > physics > electromagnetic radiation > magnetism > types of magnetism > [noun] > paramagnetism > body or substance
paramagnet1856
paramagnetic1911
1856 M. Faraday in Philos. Trans. (Royal Soc.) 146 159 The one form of power possessed by paramagnets, diamagnets, and electric currents.
1973 Nature 21 Dec. 445/1 Only above 100 K does the material become a self-respecting paramagnet, with thermally randomised spins.
1989 Sci. Amer. July 36/3 Chromium has a critical temperature at which it changes from being a paramagnet (random arrangements of magnetic moments) to being an antiferromagnet (opposite arrangements of magnetic moments).
This entry has been updated (OED Third Edition, June 2005; most recently modified version published online March 2022).
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