Definitions

1. noun

A region or portion of the Earth’s sphere, especially the lower atmosphere, or a part of a larger sphere.

“The subsphere of the lower atmosphere is crucial for Earth’s climate regulation.”

2. noun

A part or division of a sphere or a globe, especially a region of the Earth’s surface.

“The subsphere of the Antarctic is characterized by extreme cold and ice.”

3. noun

A subspace or a part of a larger space.

“The mathematician studied the subsphere of the Euclidean space.”