单词 | artificial magnet |
释义 | > as lemmasartificial magnet artificial magnet n. a magnetic object in which the magnetism is induced rather than natural. ΚΠ 1731 S. Savery in Philos. Trans. 1729–30 (Royal Soc.) 36 320 Finding this artificial Magnet exceed my natural one, I held the Artificial in one Hand, and the Natural in the other. 1827 Times 17 Sept. 2/6 Mr. John Jackson..has made a valuable improvement in the construction of artificial magnets. 1928 H. Crew Rise Mod. Physics iv. 99 The artificial magnet used as a mariner's compass came into vogue about the year 1190. 2006 Earth & Planetary Sci. Lett. 250 293/1 Coarse, >100 μm sized, Fe–Ni grains have acquired an isothermal remanence through the exposure to an artificial magnet by investigators. < as lemmas |
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