| 单词 | magnetic meridian |
| 释义 | > as lemmasmagnetic meridian magnetic meridian n. the great circle which passes through a given point on the earth's surface and through the two magnetic poles. ΘΚΠ the world > the earth > geodetic references > [noun] > meridian > magnetic magnetic meridian1740 1667 Philos. Trans. (Royal Soc.) 2 479 He can infuse such vertue into a piece of Steel, that it shall..give also to a Needle, the vertue of conforming to the Magnetical Meridian, without the help of a Load-Stone.] 1740 Philos. Trans. 1737–8 (Royal Soc.) 40 386 That End will attract the South End of the Needle, when the Bar is held horizontal, and at Right Angles to the Magnetic Meridian. 1837 D. Brewster Treat. Magnetism 11 He..made numerous experiments with bars of iron and steel placed in the magnetic meridian. 1925 H. C. Booth tr. F. Auerbach Mod. Magnetics (U.K. ed.) ii. 23 This position is best defined by the angle which the needle makes with the direction of the magnetic meridian, the direction that is of the lines of force due to the earth. 1935 C. J. Smith Intermediate Physics (ed. 2) xl. 669 When a small compass needle is placed in a horizontal plane and is free to rotate about a vertical axis passing through its centre it comes to rest in the magnetic meridian. < as lemmas |
| 随便看 |
|
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。