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optic
optic axis
optic chiasma
optic cup
optic disk
optic nerve
optic vesicle
optical
optical activity
optical art
optical brightener
optical character reader
optical character recognition
optical computer
optical disk
optical double star
optical fiber
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optical activity

op·ti·cal ac·tiv·i·ty


noun 
Definition:
 
ability to affect polarized light: the property of a crystal or a chemical solution of rotating the plane of polarized light that passes through it. In the case of solutions, the rotation is caused by asymmetric molecules and the angle of rotation depends on the thickness of the substance.

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