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OPTICS

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Originally appearing in Volume V20, Page 141 of the 1911 Encyclopedia Britannica.
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OPTICS , the See also:

science of See also:light, regarded as the See also:medium of sight (Gr. 64as). Generally the noun is qualified by an See also:adjective so as to delimitate the See also:principal See also:groups of See also:optical phenomena, e.g. geometrical optics, See also:physical optics, meteorological optics, &c. See also:Greek terminology included two adjectival forms—ra birruca, for all optical phenomena, including See also:vision and the nature of light, and i b7rrtKI (sc. Bewpia), for the See also:objective study of light, i.e. the nature of light itself and the theory of vision. See LIGHT and VISION.

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