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单词 hemisphere
释义

hemisphere

[ hem-i-sfeer ]
/ ˈhɛm ɪˌsfɪər /
SEE SYNONYMS FOR hemisphere ON THESAURUS.COM

noun

(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.
a map or projection representing one of these halves.
a half of a sphere.
Anatomy. either of the lateral halves of the cerebrum or cerebellum.
the area within which something occurs or dominates; sphere; realm.

Origin of hemisphere

1325–75; <Latin hēmisphaerium<Greek hēmisphaírion; replacing Middle English emysperie<Old French emispere<Latin

Words nearby hemisphere

hemipterous, hemiscotosis, hemisect, hemisensory, hemispasm, hemisphere, hemispheric, hemispherical, hemispheroid, hemistich, hemisystole
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for hemisphere

British Dictionary definitions for hemisphere

hemisphere
/ (ˈhɛmɪˌsfɪə) /

noun

one half of a sphere
  1. 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°
  2. a map or projection of one of the hemispheres
either of the two halves of the celestial sphere that lie north or south of the celestial equator
anatomy short for cerebral hemisphere

Derived forms of hemisphere

hemispheric (ˌhɛmɪˈsfɛrɪk) or hemispherical, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Cultural definitions for hemisphere

hemisphere

Any half of the Earth's surface.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Medical definitions for hemisphere

hemisphere
[ hĕmĭ-sfîr′ ]

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.

Other words from hemisphere

hem′i•spheric (-sfîrĭk, -sfĕr-) null adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for hemisphere

hemisphere
[ hĕmĭ-sfîr′ ]

One half of a sphere, formed by a plane that passes through the center of the sphere.
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.
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.
See cerebral hemisphere.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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