prismatic : Idioms & Phrases
Prismatic borax
(Chem.) , borax crystallized in the form of oblique prisms, with ten molecules of water; distinguished from octahedral borax.
Webster 1913
Prismatic colors
(Opt.) , the seven colors into which light is resolved when passed through a prism; primary colors. SeePrimary colors , underColor .
Webster 1913
Prismatic compass
(Surv.) , a compass having a prism for viewing a distant object and the compass card at the same time.
Webster 1913
Prismatic spectrum
(Opt.) , the spectrum produced by the passage of light through a prism.