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Optical illusion

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Definition of the noun optical illusion

What does optical illusion mean as a name of something?


  1. an optical phenomenon that results in a false or deceptive visual impression
    • lexical domain: Natural Phenomena - nouns denoting natural phenomena
    • more generic term: optical phenomenon = a physical phenomenon related to or involving light
    • more specific terms:
      • apparent movement / apparent motion / movement / motion = an optical illusion of motion produced by viewing a rapid succession of still pictures of a moving object
      • mirage = an optical illusion in which atmospheric refraction by a layer of hot air distorts or inverts reflections of distant objects

Alternative definition of the noun optical illusion


  1. An image that is visually deceptive or misleading.


  1. "Optical Illusion" is the eleventh album by Russian rock band Splean, released on October 8, 2012 on Navigator Records.
  2. "Optical Illusion" is the title of the 3rd studio album (4th overall) by the Swedish neoclassical band Time Requiem. Richard Andersson started writing for this album in September 2005. Notably, this is Göran Edman's first album with Time Requiem.


"Optical Illusion" is a short film.


Optical illusion: An optical illusion is characterized by visually perceived images that differ from objective reality. The information gathered by the eye is processed in the brain to give a perception that does not tally with a physical measurement of the stimulus source. There are three main types: literal optical illusions that create images that are different from the objects that make them, physiological illusions that are the effects of excessive stimulation of a specific type, and cognitive illusions, the result of unconscious inferences. Pathological visual illusions arise from a pathological exaggeration in physiological visual perception mechanisms causing the aforementioned types of illusions.

  • also known as Iluzie vizuală, 错视

Printed dictionaries and other books with definitions for Optical illusion

Click on a title to look inside that book (if available):

Google previewMosby's Dictionary of Medicine, Nursing and Health Professions - Australian & New Zealand Edition (2009)

by Peter Harris, Sue Nagy, Nicholas Vardaxis

optical illusion, a false visual image derived from a misinterpretation of ...

Google previewThe Encyclopedia of the Dead (2017)

by Danilo Kiš

then red again, and it was without doubt light and not an illusion, or perhaps only an optical illusion, but it was light! 11 Unless that too, alas, was a dream, a bodily illusion, an optical illusion, the illusion of a sleepwalker who has overstepped ...

Google previewEncyclopedia of Optical Engineering: Pho-Z, pages 2049-3050 (2003)

by Ronald G. Driggers

which creates the optical illusion that they are expanding faster than light. Radio interferometry over ...

Google previewMacmillan Dictionary of Psychology (1991)

by Stuart Sutherland

two vertical lines look further apart when a series of other vertical lines is placed optical illusion 293 between them than when there is nothing ...

Google previewScience and Technology Encyclopedia (2000)

by The University of Chicago Press, Leszek Kołakowski

optical illusion observation of organs. They also have an increasingly widespread application for telecommunications as they are able to carry more information than conventional metal cable systems, providing high-speed data links. optical ...

Google previewDictionary of Philosophy and Psychology: Bibliography of philosophy, psychology, and cognate subjects, comp. by Benjamin Rand ... 2 pt. 1905 (1903)

by James Mark Baldwin, Benjamin Rand

An optical illusion. Psychol. Rev., v, 1898 ...

Google previewBritannica Student Encyclopedia (2014)

by Encyclopaedia Britannica, Inc

picture, volume 5 page 15 fiber optics volume 5 page 15 optical illusion mirage picture, volume 8 page 138 optical illusion by refraction picture, ...

Google previewMacmillan Dictionary for Children (2007)

by Christopher G. Morris

optical illusion } ...

Google previewVariation and change in the lexicon (2007)

A corpus-based analysis of adjectives in English ending in -ic and -ical by Mark Kaunisto

optical illusion/instrument/principles/science).

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optical illusion

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Small photo of optical illusion - when ground and sky reunite in waterSmall photo of optical illusion - when ground and sky reunite in waterSmall photo of optical illusion - when ground and sky reunite in waterSmall photo of Flower pattern, Optical illusionSmall photo of A garden with a pergola of wood in a infinity view optical illusion.Small photo of Optical Illusion: A man seems to be riding his horse in a path in the green, however in reality a painting is reflected in the window of a room pointing into the green.Small photo of Optical Illusion of Woman's Face More...

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Quotes about Optical illusion

There is an optical illusion about every person we meet. (Ralph Waldo Emerson)
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