prismatic borax

Webster's Dictionary (GCIDE)

1.Resembling, or pertaining to, a prism; as, a prismatic form or cleavage. [1913 Webster]

2.Separated or distributed by a prism; formed by a prism; as, prismatic colors. [1913 Webster]

3.(Crystallog.) 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. [1913 Webster]