Definition from Wiktionary, the free dictionary
Alternative forms 
- prismatick (archaic)
- Of or pertaining to a prism; having the form of a prism; containing one or more prisms.
- Separated or distributed by, or as if by, a transparent prism; formed by a prism; varied or brilliant in color.
Derived terms 
- prismatic in The Century Dictionary, The Century Co., New York, 1911