optical activity
optical activity optical activity n. (Chem.) the ability of a chemical compound to rotate the plane of plane-polarized light. This is found only in chemicals whose molecular structure does not have a plane of symmetry, and is common in biochemical compounds. -- {optically active} adj. [PJC]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • optical activity — n ability of a chemical substance to rotate the plane of vibration of polarized light to the right or left * * * the property possessed by some substances of rotating the plane of polarization of polarized light. A compound that rotates the plane …   Medical dictionary

  • optical activity — n. the ability of certain substances to rotate the plane of polarization when transmitting polarized light …   English World dictionary

  • optical activity — Physical Chem. the ability of a substance to rotate the plane of polarization of plane polarized light. [1875 80] * * * Ability of a substance to rotate the plane of polarization of a beam of light passed through it, either as crystals or in… …   Universalium

  • optical activity — optinis aktyvumas statusas T sritis Standartizacija ir metrologija apibrėžtis Medžiagos savybė sukti šviesos poliarizacijos plokštumą. atitikmenys: angl. optical activity vok. optische Aktivität, f rus. оптическая активность, f pranc. activité… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • optical activity — optinis aktyvumas statusas T sritis chemija apibrėžtis Medžiagos savybė sukti šviesos poliarizacijos plokštumą. atitikmenys: angl. optical activity rus. оптическая активность …   Chemijos terminų aiškinamasis žodynas

  • optical activity — optinis aktyvumas statusas T sritis fizika atitikmenys: angl. optical activity vok. optische Aktivität, f rus. оптическая активность, f pranc. activité optique, f …   Fizikos terminų žodynas

  • optical activity — noun a) a property caused by asymmetrical molecular or crystal structure that enables a compound or crystal to rotate the plane of incident polarized …   Wiktionary

  • optical activity — /ɒptɪkəl ækˈtɪvəti/ (say optikuhl ak tivuhtee) noun the rotation of the plane of vibration of polarised light as it travels through certain materials, used as a means of characterising substances in solution. Also, optical rotation …   Australian English dictionary

  • optical activity — noun : ability to rotate the plane of polarization of light compare optical rotation …   Useful english dictionary

  • optical activity — noun Date: 1877 ability of a chemical substance to rotate the plane of vibration of polarized light to the right or left …   New Collegiate Dictionary

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