Dioptrics is a 9 letter word which starts with the letter D and ends with the letter S for which we found 1 definitions.
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(n.) The science of the refraction of light; that part of geometrical optics which treats of the laws of the refraction of light in passing from one medium into another or through different mediums as air water or glass and esp. through different lenses; -- distinguished from catoptrics which refers to reflected light. |