prismatical

HYPHEN

pris=mat=i=cal

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CIDE DICTIONARY

prismatical, a. [Cf. F. prismatique.].

Resembling, or pertaining to, a prism; as, a prismatic form or cleavage. [1913 Webster]
Separated or distributed by a prism; formed by a prism; as, prismatic colors. [1913 Webster]
Same as Orthorhombic. [1913 Webster]

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.

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