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heteroptics

American  
[het-uh-rop-tiks] / ˌhɛt əˈrɒp tɪks /

noun

(used with a singular verb)

  1. incorrect or perverted perception of what is seen; hallucinatory vision.

Etymology

Origin of heteroptics

First recorded in 1705–15; heter- + optics

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.