英语词汇“polymagnet”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	polymagnet
释义	> as lemmas polymagnet † polymagnet n. Obsolete rare an instrument consisting of two or more electromagnets arranged in such a way that considerable variation of the magnetic field is possible. ΚΠ 1855 J. Tyndall in London, Edinb., & Dublin Philos. Mag. 4th Ser. 9 425 The polymagnet was devised for the purpose of exhibiting before a class of pupils as many as possible of the phænomena of electro-magnetism and diamagnetism. extracted from poly-comb. form < as lemmas
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