hemisphere

Meanings

1. 1
   noun

   half of the terrestrial globe

   The word hemisphere appears in scientific writing with a precise technical sense.

2. 2
   noun

   either half of the cerebrum

   The word hemisphere appears in scientific writing with a precise technical sense.

3. 3
   noun

   half of a sphere

   The word hemisphere appears in scientific writing with a precise technical sense.

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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