noun
optical isomerism
Technical term in chemistry referring to the phenomenon where molecules exist as non-superimposable mirror images (enantiomers).
光学異性は、分子の立体構造に起因する現象です。
Optical isomerism is a phenomenon caused by the three-dimensional structure of molecules.
Compound of 光学 (こうがく, 'optics') and 異性 (いせい, 'isomerism'), a direct translation of the English term 'optical isomerism'.