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planisphere

plan·i·sphere

planisphere

 
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.
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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