demiglobe
/ˌdɛmɪˈɡloʊb, -ˈɡlʊb/Definitions
1. noun
A celestial body or a region that is partially enclosed by a sphere or a globe, often referring to a world or a part of a world with its own distinct characteristics.
“The demiglobe of the underwater city was a marvel of modern engineering.”
2. adjective
Partially or mostly spherical in shape, especially referring to a world or a celestial body.
“The demiglobe of the planet was still covered in ice from the last great freeze.”
3. adverb
In a way that is partially or mostly spherical in shape.
“The spaceship flew demiglobally through the dense asteroid field.”