Definition of "autostereogram" []

• A single-image stereogram, designed to trick human eyes and brains into seeing a three-dimensional scene in a two-dimensional image (noun)

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• "An autostereogram is a 2d image that when looked at properly, shows a 3d image."
• "In the worst cases no such meaning exists, and parsing the text reveals only hints of sense in masses of gibberish; other times the alchemy succeeds, and a plain emphatic version of the writer’s intentions suddenly emerges from the jumble of jargon like the hidden image in an autostereogram."