DIOPTRICS 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…
DRY a.
rn control, lest they obtrude into his researches, and color the dry light in which alone science desires to see its objects. J. C. Shairp. -- Dry masonry. See Masonry. -- Dry measure, a system of measures of volume for dry or coarse articles, by the bushel, peck, etc. -- Dry pile (Physics), a form of the Voltaic pil…
DYNAMIC; DYNAMICAL a. 2 definitions
o dynamics; belonging to energy or power; characterized by energy or production of force. Science, as well as history, has its past to show, -- a past indeed, much larger; but its immensity is dynamic, not divine. J. Martineau. The vowel is produced by phonetic, not by dynamic, causes. J. Peile.