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hemisphere

From Wiktionary, the free dictionary
See also:hémisphère

English

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EnglishWikipedia has an article on:
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Alternative forms

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Etymology

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FromLatinhemisphaerium, fromAncient Greekἡμισφαίριον(hēmisphaírion), fromἡμι-(hēmi-,“half”) +σφαῖρα(sphaîra,“sphere”). Equivalent tohemi- +‎sphere. Displaced nativeOld Englishhealftrendel(literally“half-sphere”).

Pronunciation

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Noun

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hemisphere (pluralhemispheres)

  1. (astronomy, astrology) Half of thecelestial sphere, as divided by either theecliptic or thecelestial equator[from 14th c.].
  2. (figuratively) A realm or domain of activity[1503].
  3. (geography) Half of theEarth, such as theNorthern Hemisphere,Southern Hemisphere,Western Hemisphere orEastern Hemisphere,Land Hemisphere,Water Hemisphere etc.[1550s].
  4. (geometry) Any half-sphere, formed by aplaneintersecting the center of a sphere.[1580s].
  5. (cartography) A map or projection of a celestial or terrestrial hemisphere[1706].
  6. (anatomy) Either of the twohalves of thecerebrum.[1804].

Synonyms

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Derived terms

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Related terms

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Descendants

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Translations

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half of the celestial sphere
realm or domain of activity
half of the Earth
any half-sphere
cartography: map or projection of a celestial or terrestrial hemisphere
lobe of cerebrum—seecerebral hemisphere
The translations below need to be checked and inserted above into the appropriate translation tables. See instructions atWiktionary:Entry layout § Translations.
Translations to be checked

See also

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