optical rotation

noun

Definition of optical rotation 

: the angle through which the plane of vibration of polarized light that traverses an optically active substance is rotated

First Known Use of optical rotation

1881, in the meaning defined above

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The first known use of optical rotation was in 1881

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optical rotation

noun

Medical Definition of optical rotation 

: the angle through which the plane of vibration of polarized light that traverses an optically active substance is rotated

More from Merriam-Webster on optical rotation

Britannica.com: Encyclopedia article about optical rotation

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