| 单词 | red magnetism |
| 释义 | > as lemmasred magnetism red magnetism n. Physics (now disused) the magnetism around the north pole of a magnet (formerly regarded as a distinct type of magnetism from that around a south pole); cf. blue magnetism n. at blue adj. and n. Compounds 1d. ΚΠ 1865 F. J. Evans & A. Smith in Philos. Trans. (Royal Soc.) 155 305 To avoid the ambiguity which arises from the use of the terms ‘North’ and ‘South’ magnetism, we shall speak of the magnetism of the north end of the needle and the southern hemisphere of the earth as red magnetism, of the south end of the needle and the northern hemisphere as blue magnetism. 1892 T. O'C. Sloane Standard Electr. Dict. (1893) 345 A two-fluid theory of magnetism has been evolved... It assumes north fluid or ‘red magnetism’ and a south fluid or ‘blue magnetism’. 1919 Jrnl. Inst. Electr. Engineers 57 364/2 To overcome the confusion involved by having to consider the earth as a ‘reversed’ magnet, compass adjusters think only of red magnetism and blue magnetism. < as lemmas |
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