Semisphere, part of a sphere that corresponds to half of its surface or volume from a straight cut along a diameter. It applies especially to half of a planet divided by its equator or one of its meridians, and also to other spheroid bodies such as the brain to identify its left and right halves. It originates from the Greek 951; 956; 953; 963; 966; 945; 953; 961; 953; 959; 957; (hemisphaírion), made up of 951; 956; 953;- (heemi- "half") 963; 966; 945; 953; 961; 945; (sphaira "sphere") .
