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noun
1.
(often initial capital letter) half of the terrestrial globe or celestial sphere, especially one of the halves into which the earth is divided. Compare Eastern Hemisphere, Western Hemisphere, Northern Hemisphere, Southern Hemisphere.
2.
a map or projection representing one of these halves.
3.
a half of a sphere.
4.
Anatomy. either of the lateral halves of the cerebrum or cerebellum.
5.
the area within which something occurs or dominates; sphere; realm.
Origin:
1325–75; < Latin hēmisphaerium < Greek hēmisphaírion; replacing Middle English emysperie < Old French emispere < Latin
1325–75; < Latin hēmisphaerium < Greek hēmisphaírion; replacing Middle English emysperie < Old French emispere < Latin
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Link To Hemisphere
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Hemisphere
is always a great word to know.
So is nerve root. Does it mean:
| a nerve fiber bundle that emerges from of the spinal cord and joins with another bundle to form each spinal nerve in the series of spinal nerves |
| the colored portion of the eye that contains a circular opening, the pupil, in its center |
Collins
World English Dictionary
| hemisphere (ˈhɛmɪˌsfɪə) | |
| —n | |
| 1. | one half of a sphere |
| 2. | a. 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° |
| b. a map or projection of one of the hemispheres | |
| 3. | either of the two halves of the celestial sphere that lie north or south of the celestial equator |
| 4. | anatomy short for cerebral hemisphere |
| hemispheric | |
| —adj | |
| hemi'spherical | |
| —adj | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History
hemisphere
late 14c., from L. hemisphærium, from Gk. hemisphairion, from hemi- "half" + sphaira "sphere."
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary
hemisphere hem·i·sphere (hěm'ĭ-sfēr')
n.
A half of a symmetrical spherical structure as divided by a plane of symmetry.
Either of the lateral halves of the cerebrum; a cerebral hemisphere.
hem'i·spher'ic (-sfēr'ĭk, -sfěr'-) or hem'i·spher'i·cal adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
American Heritage
Science Dictionary
hemisphere  (hěm'ĭ-sfîr') Pronunciation Key
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The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Word Dynamo Rating For Hemisphere
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