| 单词 | meridian |
| 释义 | meridian 1 See latitude and longitude. 2(magnetic meridian) An imaginary great circle on the earth's surface that passes through the north and south magnetic poles. A compass needle on the earth's surface influenced only by the earth's magnetic field (see geomagnetism) comes to rest along a magnetic meridian. 3(celestial meridian) A great circle of the celestial sphere that passes through the zenith and the celestial poles. It meets the horizon at the north and south points. |
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物理辞典收录了3346条物理词条，基本涵盖了常用物理知识及物理英语单词词组的翻译及用法，是物理学习的有利工具。