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(), Prismat"ical ()} a.[Cf. F. prismatique.] 1. Resembling, or pertaining to, a prism; as, a prismatic form or cleavage. 2. Separated or distributed by a prism; formed by a prism; as, prismatic colors. 3. (Crystallog.) Same as Orthorhombic. Prismatic borax (Chem.), borax crystallized in the form of oblique prisms, with ten molecules of water; -- distinguished from octahedral borax. Prismatic colors (Opt.), the seven colors into which light is resolved when passed through a prism; primary colors. See Primary colors, under Color. Prismatic compass (Surv.), a compass having a prism for viewing a distant object and the compass card at the same time. Prismatic spectrum (Opt.), the spectrum produced by the passage of light through a prism. スポンサード リンク
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