Hemisphere



GRE TOEFL 考研

解释

GRE 红宝书

• n. 半球
• ［英］ n. 半球 ( half a sphere)

Webster Collegiate

noun

• Etymology: Middle English hemispere, from Latin hemisphaerium, from Greek hēmisphairion, from hēmi- + sphairion, diminutive of sphaira sphere
• Date: 14th century
• 1.
  • a. a half of the celestial sphere as divided into two halves by the horizon, the celestial equator, or the ecliptic
  • b. half of a spherical or roughly spherical body (as a planet); specifically the northern or southern half of the earth as divided by the equator or the eastern or western half as divided by a meridian
  • c. the inhabitants of a terrestrial hemisphere
• 2. realm, province
• 3. one of two half spheres formed by a plane through the sphere's center
• 4. a map or projection of a celestial or terrestrial hemisphere
• 5. cerebral hemisphere
• ? hemispheric or hemispherical adjective

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