Definition of optical activity in English:

optical activity

Line breaks: op|tic¦al ac¦tiv|ity

noun

[mass noun] Chemistry
The property (displayed by solutions of some compounds, notably many sugars) of rotating the plane of polarization of plane-polarized light.
More example sentences
  • These materials are said to display optical activity, and are rapidly gaining popularity among engineers.
  • If the product and catalyst of a reaction were the same, then amplification of optical activity might just be possible, they reasoned.
  • In the slightly different situation of a crystal with optical activity, the center of the bull's-eye is not black, and its color gives information about the amount of twist.

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Pronunciation: vɪˈtjuːpəreɪt
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