English Dictionary

space group

名詞

(crystallography, mineralogy) The set of all symmetry operations that can be applied to a given crystal without changing it.

日本語の意味

空間群：結晶学や鉱物学で用いられる用語で、特定の結晶に作用してその形状を変えずに保つ全ての対称操作（回転、反転、平行移動、鏡映など）の集合

The space group determines which symmetry operations leave the crystal lattice invariant.

空間群はどの対称操作が結晶格子を不変に保つかを決定する。

意味（1）

(crystallography, mineralogy) The set of all symmetry operations that can be applied to a given crystal without changing it.

Dorothy also learned to identify the space group of a molecule, an essential prerequisite for finding the structure, by looking for spots that were missing from the regular array in an X-ray photograph.

space groups （ plural ）