planisphere
Americannoun
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a 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.
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a projection or representation of the whole or a part of a sphere on a plane.
noun
Other Word Forms
Etymology
Origin of planisphere
1350–1400; plani- + sphere; replacing Middle English planisperie < Medieval Latin plānisphaerium
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The Getty exhibits a planisphere clock, demonstrating mean time and solar time in cities around the globe, as well as the timing of the tides in northern ports.
From The Guardian ● Jul. 29, 2011
In summer I sometimes come outside at night with my torch and my planisphere, which is two circles of plastic with a pin through the middle.
From "The Curious Incident of the Dog in the Night-Time" by Mark Haddon
On that planisphere the seaboard of the present states of Maryland, New Jersey, New York, and Rhode Island is called "the land of Estevan Gomez."
From Henry Hudson A Brief Statement of His Aims and His Achievements by Thomas A. (Thomas Allibone) Janvier
One of her pupils, Synesius, who became Bishop of Ptolemais, informs us that she was the inventor of two important astronomical instruments: an astrolabe and a planisphere.
From Woman in Science With an Introductory Chapter on Woman's Long Struggle for Things of the Mind by John Augustine Zahm
Typhon, his hands and feet horrid with serpents, and whose habitat in the Egyptian planisphere was under Scorpio, confined him in a chest and flung him into the Nile, under the 17th degree of Scorpio.
From Morals and Dogma of the Ancient and Accepted Scottish Rite of Freemasonry by Albert Pike
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