释义 |
WordReference Random House Unabridged Dictionary of American English © 2024plan•i•sphere (plan′ə sfēr′, plā′nə-),USA pronunciation n. - Astronomya map of half or more of the celestial sphere with a device for indicating the part of a given location visible at a given time.
- Astronomya projection or representation of the whole or a part of a sphere on a plane.
- Medieval Latin plānisphaerium
- replacing Middle English planisperie 1350–1400; plani- + sphere
plan•i•spher•i•cal (plan′ə sfer′i kəl, -sfēr′-, plā′nə-),USA pronunciation plan′i•spher′ic, plan•i•spher•al (plan′i sfēr′əl, plā′nə-),USA pronunciation Collins Concise English Dictionary © HarperCollins Publishers:: planisphere /ˈplænɪˌsfɪə/ n - 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
Etymology: 14th Century: from Medieval Latin plānisphaerium, from Latin plānus flat + Greek sphaira globe |