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   Hem·i·sphere

   /ˈheməˌsfir/

   

   noun

   • 1. a half of a sphere.
   • ▪ a half of the earth, usually as divided into northern and southern halves by the equator, or into western and eastern halves by an imaginary line passing through the poles.
   • ▪ a half of the celestial sphere.
   • ▪ each of the two parts of the cerebrum (left and right) in the brain of a vertebrate: "the left hemisphere plays a dominant role in the comprehension of language"

   Word Origin late Middle English (in the sense ‘half the celestial sphere, the sky’): from Old French emisphere, via Latin from Greek hēmisphairion, from hēmi- ‘half’ + sphaira ‘sphere’.

   Derivatives

   • 1. hemispheric adjective
   • 2. hemispherical adjective
   • 3. hemispherically adverb

   Scrabble Points: 20

   • H

     4

   • E

     1

   • M

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   • I

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   • S

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   • P

     3

   • H

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   • E

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   • R

     1

   • E

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