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De - Pt| English Dictionary: prismatical | by the DICT Development Group |
| 1 result for prismatical | |
| From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
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Prismatic \Pris*mat"ic\, Prismatical \Pris*mat"ic*al\, 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. | |
