hemisphere
Americannoun
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(often initial capital letter) half of the terrestrial globe or celestial sphere, especially one of the halves into which the earth is divided.
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a map or projection representing one of these halves.
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a half of a sphere.
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Anatomy. either of the lateral halves of the cerebrum or cerebellum.
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the area within which something occurs or dominates; sphere; realm.
noun
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one half of a sphere
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half of the terrestrial globe, divided into northern and southern hemispheres by the equator or into eastern and western hemispheres by some meridians, usually 0° and 180°
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a map or projection of one of the hemispheres
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either of the two halves of the celestial sphere that lie north or south of the celestial equator
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anatomy short for cerebral hemisphere
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One half of a sphere, formed by a plane that passes through the center of the sphere.
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Either the northern or southern half of the Earth as divided by the equator, or the eastern or western half as divided by a meridian, especially the prime meridian.
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One half of the celestial sphere as divided by any of various great circles, especially the celestial equator and the ecliptic.
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See more at celestial sphere
Other Word Forms
- hemispheric adjective
Etymology
Origin of hemisphere
1325–75; < Latin hēmisphaerium < Greek hēmisphaírion; replacing Middle English emysperie < Old French emispere < Latin
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.
Most fossils of these early marine hunters have been found in the northern hemisphere.
From Science Daily
In the southern hemisphere, there is one region where the magnetic field is especially strong.
From Science Daily
The biennial Nations Championship will feature leading teams from both the northern and southern hemispheres.
From Barron's
The new Nations Championship, which pits the best teams from the two hemispheres against each other over the year, demands more stops.
From BBC
It is not unusual for avalanches to be in the news in the northern hemisphere at this time of year, the height of the annual ski season.
From BBC
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.
