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plan·i·sphere
 planisphere
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- pronunciation:
- plae
nih
sfir
- features:
- Word Combinations (noun), Word Parts
| part of speech: |
noun |
| definition 1: |
a maplike projection of all or part of a sphere on a plane surface.
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| definition 2: |
a projection on a plane of the celestial sphere, with a movable overlay showing which stars are visible at a particular place and time.
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| derivation: |
planispheric (adj.) |
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