Chiral

Chirality /ka??ræl?ti?/Derived from the Greek ???? (kheir), \\\"hand,\\\" a familiar chiral object.To have chirality is to possess optical isomerism; for instance, a left hand and a right hand.In chirality, an object’s image and its mirror image cannot be superimposed. That is, when one is placed over the other, the image is indistinguishable. From “Daijirin Third Edition”