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optesthesia op·tes·the·sia (ŏp’tĭs-thē’zhə)
Visual sensibility to light stimuli.


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  • Optical

    [op-ti-kuh l] /ˈɒp tɪ kəl/ adjective 1. of, relating to, or applying or the principles of optics. 2. constructed to assist sight or to correct defects in vision. 3. of or relating to sight or vision; visual. 4. of or relating to the eye. 5. of or relating to an optician or opticians or to […]

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    optical aberration n. The failure of light rays from a point source to form a perfect image after passing through an optical system.

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    noun, Physical Chemistry. 1. the ability of a substance to rotate the plane of polarization of plane-polarized light. noun 1. the ability of substances that are optical isomers to rotate the plane of polarization of a transmitted beam of plane-polarized light optical activity n. The property of an asymmetrical molecule in solution to rotate the […]

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