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
Then we go down the street where there is a good electric light at the corner and we hold our planisphere up, almost straight overhead.
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
Behem, Martin, his planisphere; an account of; the assertion relative to his having discovered the western world previous to Columbus considered.
From The Life and Voyages of Christopher Columbus (Volume II) by Irving, Washington
It forms part of another large manuscript planisphere, draughted and illuminated by Pierre Desceliers, a priest of Argues near Hâvres, and it bears in bold characters an inscription to that effect with the date 1550.
From The First Discovery of Australia and New Guinea Being The Narrative of Portuguese and Spanish Discoveries in the Australasian Regions, between the Years 1492-1606, with Descriptions of their Old Charts. by Collingridge, George
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.
