planisphere

planisphere
[ˈplanɪsfɪə]
noun
  1. a map formed by the projection of a sphere or part of a sphere on a plane, especially an adjustable circular star map that shows the appearance of the heavens at a specific time and place
    球体投影图;天体平面图
派生
planispheric
[-ˈsfɛrɪk]
adjective
语源
  1. late Middle English planisperie, from medieval Latin planisphaerium, from Latin planus 'level' + sphaera 'sphere'; later influenced by French planisphère
英语宝典
考试词汇表