Definition, Meaning & Synonyms

stereopticon

noun

stair-ee-OP-tih-kahn

Definition

A stereopticon is a device used for projecting two images onto a screen simultaneously. One image is typically viewed with one eye, while the other image is viewed with the other eye, creating a three-dimensional effect.

Examples

The early 20th-century schools often used a stereopticon for educational purposes, capturing the attention of students with 3D images.
During the lecture, the professor used a stereopticon to show historical images in a way that made them feel more alive.

Meaning

The term refers to a type of optical projector that combines two lantern slides to produce a stereoscopic, or three-dimensional, effect on a flat surface.