| Title | planisphere |
|---|---|
| Text |
Merriam-Webster's Collegiate Dictionary pla·ni·sphere \\ˈplā-nə-ˌsfir\\ noun ETYMOLOGY alteration of Middle English planisperie, from Medieval Latin planisphaerium, from Latin planum plane + sphaerasphere DATE 1571 : a representation of the circles of the sphere on a plane; especially : a polar projection of the celestial sphere and the stars on a plane with adjustable circles or other appendages for showing celestial phenomena for any given time • pla·ni·spher·ic \\ˌplā-nə-ˈsfir-ik, -ˈsfer-\\ adjective Webster's Third New International Dictionary, Unabridged plan·i·sphere \ˈplanə̇ˌsfi(ə)r\ noun Etymology: Medieval Latin planisphaerium, from Latin planus flat, plane + sphaera sphere — more at floor , sphere : a representation of the circles of the sphere on a plane; especially : a polar projection of the celestial sphere and the stars on a plane with adjustable circles or other appendages for showing celestial phenomena (as the position of the heavens or the time of rising and setting of stars) for any given time • plan·i·spher·ic \| ̷ ̷ ̷ ̷|sfirik, -fer-\ adjective |
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