鏡映面

mirror plane

[目次：結晶等(結晶構造／材料試料)]

結晶点群の対称要素の一つ。結晶全体が、ある平面に対して鏡映対称の関係にあるとき、この平面を鏡映面という。

A symmetry element of the crystallographic point group. When the whole crystal (constituent atoms) is mirrored with respect to a certain plane, the mirrored crystal can be equivalent to the crystal before the mirror operation. In this case, this plane is called "mirror plane."

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