Prismatic
prismatic (?), Prismatical (?), 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.
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