Definitions

1. noun

A graphic image that can be perceived in three dimensions, typically created using a stereoscopic technique.

“The art studio offered a workshop on creating stereograms that could be viewed with a special viewer.”

2. noun

A two-dimensional representation of a three-dimensional image, such as a 3D image in a magazine or on a screen.

“She spent hours trying to decipher the hidden stereogram in the puzzle book.”