Alternative form of prismatic

In a prismatic way.

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.

A compass, equipped with a small prism, that allows the heading to be read while sighting

(physics, optics, British spelling) Colours visible when white light is split in a prisma.

(physics, optics, Canada, US) Colours visible when white light is split in a prisma.

plural of prismatic compass