Prismatical

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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.
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     2. Separated or distributed by a prism; formed by a prism;
        as, prismatic colors.
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     3. (Crystallog.) Same as {Orthorhombic}.
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     {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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