Hemisphere

//ˈhɛmɪsfɪə// noun

Definitions

Noun
  1. 1
    Half of the celestial sphere, as divided by either the ecliptic or the celestial equator .
  2. 2
    either half of the cerebrum wordnet
  3. 3
    A realm or domain of activity . figuratively

    "Love is the Columbus of our moral world, and opens, at some period or other, a new hemisphere to our view."

  4. 4
    half of the terrestrial globe wordnet
  5. 5
    Half of the Earth, such as the Northern Hemisphere, Southern Hemisphere, Western Hemisphere or Eastern Hemisphere, Land Hemisphere, Water Hemisphere etc. .
Show 4 more definitions
  1. 6
    half of a sphere wordnet
  2. 7
    Any half-sphere, formed by a plane intersecting the center of a sphere. .
  3. 8
    A map or projection of a celestial or terrestrial hemisphere .
  4. 9
    Either of the two halves of the cerebrum. .

Etymology

From Latin hemisphaerium, from Ancient Greek ἡμισφαίριον (hēmisphaírion), from ἡμι- (hēmi-, “half”) + σφαῖρα (sphaîra, “sphere”). Equivalent to hemi- + sphere. Displaced native Old English healftrendel (literally “half-sphere”).

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