heterosphere
构词拆解
- hetero-
- Varied, heterogeneous; a set that has variety with respect to the root. · (organic chemistry) Heterocyclic: a cyclic compound with multiple elements in its ring. The non-carbon atoms are known as heteroatoms.
- -sphere
- (mathematics) Sphere of a certain dimensionality. · Spherical object.
词源说明
释义
名词noun
- 1The upper part of the atmosphere, above about 60 miles or 100 km, in which there is great variation in its composition.