Dictionary
Thesaurus
Encyclopedia
Translator
Web

Hemisphere

 - 7 dictionary results

hem⋅i⋅sphere

[hem-i-sfeer]
–noun
1. (often initial capital letter) half of the terrestrial globe or celestial sphere, esp. 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; < L hēmisphaerium < Gk hēmisphaírion; r. ME emysperie < OF emispere < L
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To Hemisphere
hem·i·sphere   (hěm'ĭ-sfîr')   
n.  
    1. A half of a sphere bounded by a great circle.

    2. A half of a symmetrical, approximately spherical object as divided by a plane of symmetry.

  1. Either half of the celestial sphere as divided by the ecliptic, the celestial equator, or the horizon.

  2. 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.

  3. Anatomy Either of the lateral halves of the cerebrum; a cerebral hemisphere.

hem'i·spher'ic (-sfîr'ĭk, -sfěr'-), hem'i·spher'i·cal adj., hem'i·spher'i·cal·ly adv.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Cultural Dictionary

hemisphere

Any half of the Earth's surface.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Word Origin & History

hemisphere 
c.1374, from L. hemisphærium, from Gk. hemisphairion, from hemi- "half" + sphaira "sphere."
Online Etymology Dictionary, © 2001 Douglas Harper
Cite This Source
Medical Dictionary

Main Entry: hemi·sphere
Pronunciation: -"sfi(&)r
Function: noun
: half of a spherical structure or organ: as a : CEREBRAL HEMISPHERE b : either of the two lobes of the cerebellum of which one projects laterally andposteriorly from each side of the vermis
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
Cite This Source
Medical Dictionary

hemisphere hem·i·sphere (hěm'ĭ-sfēr')
n.

  1. A half of a symmetrical spherical structure as divided by a plane of symmetry.

  2. 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.
Cite This Source
Science Dictionary
hemisphere   (hěm'ĭ-sfîr')  Pronunciation Key 
  1. One half of a sphere, formed by a plane that passes through the center of the sphere.

  2. 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.

  3. One half of the celestial sphere as divided by any of various great circles, especially the celestial equator and the ecliptic. See more at celestial sphere.

  4. See cerebral hemisphere.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Search another word or see Hemisphere on Thesaurus | Reference
FacebookTwitterFollow us: