hemisphere

n.

1. 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.
2. Either half of the celestial sphere as divided by the ecliptic, the celestial equator, or the horizon.
3. 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.
4. Anatomy. Either of the lateral halves of the cerebrum; a cerebral hemisphere.

hemispheric hem'i·spher'ic (-sfîr'ĭk, -sfĕr'-) or hem'i·spher'i·cal adj.
hemispherically hem'i·spher'i·cal·ly adv.

Any half of the Earth's surface.

Half of a spherical or roughly spherical structure or organ.

• cerebral h. — one of the paired structures constituting the largest part of the brain, which together comprise the extensive cerebral cortex, centrum semiovale, basal ganglia and rhinencephalon, and contain the lateral ventricle. See also brain.

IN BRIEF: Half of a sphere or globe. Also: any of the halves into which the earths surface is divided.

The northern hemisphere is the half of Earth north of the equator.

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Dansk (Danish)
n. - halvkugle, hemisfære

Nederlands (Dutch)
halfrond, hemisfeer

Français (French)
n. - (Méd, Géog) hémisphère

Deutsch (German)
n. - Halbkugel, Hemisphäre

Ελληνική (Greek)
n. - ημισφαίριο

Italiano (Italian)
emisfero

Português (Portuguese)
n. - hemisfério (m) (Geog.)

Русский (Russian)
полушарие

Español (Spanish)
n. - hemisferio

Svenska (Swedish)
n. - hemisfär, hjärnhalva

中文（简体）(Chinese (Simplified))
半球, 大脑半球, 地球的半面

中文（繁體）(Chinese (Traditional))
n. - 半球, 大腦半球, 地球的半面

한국어 (Korean)
n. - 반구, 뇌반구, 범위

日本語 (Japanese)
n. - 半球体, 半球, 半球の住民

العربيه (Arabic)
‏(الاسم) نصف الكرة جغرافيا, عالم, نصف كرة, خريطه تمثل نصف الكرة الأرضيه أو السماويه‏

עברית (Hebrew)
n. - ‮חצי-כדור (הארץ)‬

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Waterman Hemisphere Fountain Pen