hemisphere

American  

[hem-i-sfeer] / ˈhɛm ɪˌsfɪər /

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.

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.

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hemisphere British  

/ ˌhɛmɪˈsfɛrɪk, ˈhɛmɪˌsfɪə /

noun

1. one half of a sphere

2. 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

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

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hemisphere Scientific  

/ hĕm′ĭ-sfîr′ /

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.

4. See more at celestial sphere

5. See cerebral hemisphere

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hemisphere Cultural  

1. Any half of the Earth's surface.

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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

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

Tye noted that results from these two observatories, located in opposite hemispheres, closely agree with each other.

From Science Daily

Elizabeth Honey, from the British Flower Movement in Nottingham, said red roses were not in season this time of year in the UK or "anywhere really in the southern or northern hemisphere".

From BBC

But if his rivals are searching for Klaebo’s secrets in Norway, there is one tiny problem: They’re looking in the wrong hemisphere.

From The Wall Street Journal

“The U.S. needs Colombia if we are going to be serious about fighting crime and insecurity in the hemisphere,” he said.

From The Wall Street Journal

Related Words

• fraction