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
If I had only a dollar or less to spend on astronomy I should buy a planisphere.
From Earth and Sky Every Child Should Know Easy studies of the earth and the stars for any time and place by Rogers, Julia Ellen
A planisphere that will show the planets costs about five dollars.
From Earth and Sky Every Child Should Know Easy studies of the earth and the stars for any time and place by Rogers, Julia Ellen
It may be found on the outside, or square planisphere, of the zodiac of the Temple of Denderah.
From Scarabs The History, Manufacture and Symbolism of the Scarabæus in Ancient Egypt, Phoenicia, Sardinia, Etruria, etc. by Myer, Isaac
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
