polar中文

时间: 2024-11-09 02:47:53

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polar
/ 5pEulE /

◙ adjective
1. of or relating to the North or South Pole
• 地极的，极地的
»the polar regions.
  极地地区。
  (of an animal or plant) living in the north or south polar region
• （动物，植物）生活于极地地区的
  [Astronomy] of or relating to the poles of a celestial body
• [天文] （天体）极的，极性的
  [Astronomy] of or relating to a celestial pole
• [天文] （天体）极地的
  [Geometry] of or relating to the poles of a sphere
• [几何] （球体）极的，极性的。见 pole
  [Biology] of or relating to the poles of a cell, organ, or part
• [生] （细胞，器官，身体部分）极的，极性的
2. [Physics & Chemistry] having electrical or magnetic polarity
• [物理，化] 有电极的；有磁极的
  (of a liquid, especially a solvent) consisting of molecules with a dipole moment
• （液体，尤指溶剂）由偶极矩分子组成的
  (of a solid) ionic
• （固体）离子的
3. directly opposite in character or tendency
• （特点，倾向）截然相反的
»depression and its polar opposite, mania.
  沮丧以及其截然相反的对立面狂热。
◙ noun
1. [Geometry] the straight line joining the two points at which tangents from a fixed point touch a conic section
• [几何] 极线
2. [Astronomy] a variable binary star which emits strongly polarized light, one component being a strongly magnetic white dwarf
• [天文] 极光双子星

【语源】

1. mid 16th cent.: from medieval Latin polaris 'heavenly', from Latin polus 'end of an axis' (see pole )