Prism
noun
Subject Field: Optics

A transparent body, as of glass, whose ends are equal and parallel triangles, and whose three sides are parallelograms: used for refracting or dispersing light and produce multiple images. Webster Dictionary, Clark			- Hyperonyms - In-camera Bibliography Index Home Conceptual tree
Context: This prism made it possible to shoot the live action of Julie Andrews and Dick Van Dyke while simultaneously forming a traveling matte of their silhouettes. Culhane Attestation: 2 Prisma Reliability: 3