Origin of hemispherical
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for hemispherical
The flower-heads are hemispherical, about half an inch in diameter.Field and Woodland Plants
William S. Furneaux
Fig. 13 is from the same locality, and is hemispherical in shape.Art in Shell of the Ancient Americans
William H. Holmes
Cephalis trilobate, inflated, of about the same breadth and length as the tun-shaped thorax and the hemispherical abdomen.
Cupola hemispherical, only one-third as long as the slender inversely conical abdomen, both with irregular, much smaller pores.
Galea hemispherical, with a short conical horn, about as large as the roundish cephalis and half as large as the ovate thorax.