hemispherica.

球形状
hemispheric[ adj ]of or relating to the cerebral hemispheres<adj.pert> 
Hemispheric \Hem`i*spher"ic\, Hemispherical \Hem`i*spher"ic*al\,
a. [Cf. F. h['e]misph['e]rique.]
Containing, or pertaining to, a hemisphere; as, a hemispheric
figure or form; a hemispherical body.