| 单词 | magnetic north |
| 释义 | > as lemmasmagnetic north magnetic north n. the north magnetic pole; the direction of this. ΘΚΠ the world > the earth > geodetic references > [noun] > pole > magnetic south pole1553 magnetic (also magnetical) pole1581 magnetic north1812 palaeopole1962 1812 R. Woodhouse Elem. Treat. Astron. xli. 409 The Magnetic North, almost always, differs from the true. 1873 J. C. Maxwell Treat. Electr. & Magn. (1881) II. 19 In speaking of a line of magnetic force we shall always suppose it to be traced from magnetic south to magnetic north. 1959 Times 7 May 11/4 Archaeomagnetism is based on the principle that many clays and stones, if heated beyond a certain point..tend to get a fixed magnetism in the direction of the earth's magnetic north at the time they cooled after firing. 1990 Canoe Aug. 64/3 Compasses point to magnetic north, not true north. If you live far east or west of the agonic..line, you must adjust for declination. < as lemmas |
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