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Webster 1913 Edition

Optics

Op′tics

,
Noun.
[Cf. F.
optique
, L.
optice
, Gr. [GREEK] (sc. [GREEK]). See
Optic
.]
That branch of physical science which treats of the nature and properties of light, the laws of its modification by opaque and transparent bodies, and the phenomena of vision.

Webster 1828 Edition

Optics

OP'TICS

,
Noun.
The science which treats of light and the phenomena of vision.

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