光こう学がく異い性せいこうがくいせいMeanings1nounoptical isomerismTechnical term in chemistry referring to the phenomenon where molecules exist as non-superimposable mirror images (enantiomers).光こう学がく異い性せいは、分ぶん子しの立りっ体たい構こう造ぞうに起き因いんする現げん象