单词 | planisphere |
释义 | Word Frequency planisphere(ˈplænɪˌsfɪə) noun a projection or representation of all or part of a sphere on a plane surface, such as a polar projection of the celestial sphere onto a chart Derived forms planispheric (ˌplænɪˈsfɛrɪk) adjective Word origin C14: from Medieval Latin plānisphaerium, from Latin plānus flat + Greek sphaira globe |
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