Dictionary

optically active

adjective

Definition of OPTICALLY ACTIVE

:  capable of rotating the plane of vibration of polarized light to the right or left —used of compounds, molecules, or atoms
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First Known Use of OPTICALLY ACTIVE

1875
Medical Dictionary

optically active

adjective

Medical Definition of OPTICALLY ACTIVE

:  capable of rotating the plane of vibration of polarized light to the right or left :  either dextrorotatory or levorotatory—used of compounds, molecules, or atoms

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