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illusion
(redirected from waterfall after-effect)

   Also found in: Medical, Legal, Encyclopedia, Hutchinson 0.06 sec.
il·lu·sion  (-lzhn)
n.
1.
a. An erroneous perception of reality.
b. An erroneous concept or belief.
2. The condition of being deceived by a false perception or belief.
3. Something, such as a fantastic plan or desire, that causes an erroneous belief or perception.
4. Illusionism in art.
5. A fine transparent cloth, used for dresses or trimmings.

[Middle English, from Old French, from Late Latin illsi, illsin-, from Latin, a mocking, irony, from illsus, past participle of illdere, to mock : in-, against; see in-2 + ldere, to play; see leid- in Indo-European roots.]

il·lusion·al, il·lusion·ary (-zh-nr) adj.
il·lusion·less adj.
click for a larger image
illusion
top: In a Hering figure, straight horizontal rules appear curved.
bottom: In Gestalt theory boxes, a gray box against a black background appears lighter than the same gray box against a white background.

illusion [ɪˈluːʒən]
n
1. a false appearance or deceptive impression of reality the mirror gives an illusion of depth
2. a false or misleading perception or belief; delusion he has the illusion that he is really clever
3. (Psychology) Psychol a perception that is not true to reality, having been altered subjectively in some way in the mind of the perceiver See also hallucination
4. (Clothing, Personal Arts & Crafts / Textiles) a very fine gauze or tulle used for trimmings, veils, etc.
[from Latin illūsiō deceit, from illūdere; see illude]
illusionary , illusional adj
illusioned  adj

Illusion of painters: group of painters, 15th century.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.illusionillusion - an erroneous mental representation  
fantasm, phantasm, phantasma, phantom, shadow, apparition - something existing in perception only; "a ghostly apparition at midnight"
appearance - a mental representation; "I tried to describe his appearance to the police"
irradiation - the apparent enlargement of a bright object when viewed against a dark background
phantom limb - the illusion that a limb still exists after it has been amputated
2.illusionillusion - something many people believe that is false; "they have the illusion that I am very wealthy"
misconception - an incorrect conception
bubble - an impracticable and illusory idea; "he didn't want to burst the newcomer's bubble"
ignis fatuus, will-o'-the-wisp - an illusion that misleads
wishful thinking - the illusion that what you wish for is actually true
3.illusion - the act of deluding; deception by creating illusory ideas
dissimulation, deception, dissembling, deceit - the act of deceiving
4.illusionillusion - an illusory feat; considered magical by naive observers
performance - the act of presenting a play or a piece of music or other entertainment; "we congratulated him on his performance at the rehearsal"; "an inspired performance of Mozart's C minor concerto"
card trick - a trick performed with playing cards
prestidigitation, sleight of hand - manual dexterity in the execution of tricks

illusion
noun
1. delusion, misconception, misapprehension, fancy, deception, fallacy, self-deception, false impression, false belief, misbelief No one really has any illusions about winning the war.
2. false impression, feeling, appearance, impression, fancy, deception, imitation, sham, pretence, semblance, fallacy Floor-to-ceiling windows give the illusion of extra space.
false impression fact, truth, reality, actuality
3. fantasy, vision, hallucination, trick, spectre, mirage, semblance, daydream, apparition, chimera, figment of the imagination, phantasm, ignis fatuus, will-o'-the-wisp It creates the illusion of moving around in the computer's graphic environment.
Translations
illusion [ɪˈluːʒən] N
1. (= deceptive appearance) → ilusión f
optical illusionilusión f óptica
it gives an illusion of spacecrea una ilusión or impresión de espacio
2. (= misapprehension) → ilusión f
to be under an illusionhacerse falsas ilusiones, estar en un error
I am under no illusions on that scoresobre ese punto no me hago(falsas)ilusiones
to be under the illusion thatcreerse que ...
he was under the illusion that he would winse creía que iba a ganar
he cherishes the illusion thatabriga la esperanza de que ... + subjun

illusion [ɪˈluːʒən] nillusion f
to be under the illusion that ... → nourrir l'illusion que ...
to have no illusions about sth → ne se faire aucune illusion sur qch
Nobody has any illusions about winning the war → Personne ne se fait aucune illusion sur l'issue favorable de la guerre.
to give the illusion of sth (= impression) → donner l'illusion de qch

illusion
nIllusion f; (= hope also)trügerische Hoffnung; (= misperception)Täuschung f; to be under an illusioneiner Täuschung (dat)unterliegen, sich (dat)Illusionen machen; to be under the illusion that …sich (dat)einbilden, dass …; to be under or have no illusionssich (dat)keine Illusionen machen, sich (dat)nichts vormachen (→ about über +acc); no one has any illusions about winning the warniemand macht sich Illusionen, dass der Krieg gewonnen werden kann; it gives the illusion of spacees vermittelt die Illusion von räumlicher Weite; a tan can give the illusion of being slimmerwenn man braun ist, kann das den Eindruck erwecken, dass man schlanker ist ? optical illusion

illusion [ɪˈluːʒn] nillusione f
to be under an illusion → illudersi
to be under the illusion that → illudersi che
to have no illusions → non farsi illusioni
illusion [ɪˈluːʒn] nillusione f
to be under an illusion → illudersi
to be under the illusion that → illudersi che
to have no illusions → non farsi illusioni

illusion
n illusion [iˈluːʒən]
(something that produces) a false impression, idea or belief an optical illusion. illusie وَهْم، صورة خادِعَه илюзия klam illusion; indbildning die Täuschung ψευδαίσθηση, αυταπάτη ilusión illusioon خیال باطل؛ توهم illuusio illusion אָשלָיָה भ्रांति iluzija, obmana (érzék)csalódás ilusi tálmynd, tálsÿn illusione 幻覚 환영(幻影) iliuzija, apgaulė ilūzija ilusi waanbeeld illusjon, (syns)bedrag, innbilning złudzenie ilusão iluzie иллюзия klam iluzija iluzija illusion ภาพหลอน; ภาพมายา; ภาพลวงตา göz aldanması, hayalî görüntü 錯覺,幻覺 ілюзія; обман فریب نظر ảo tưởng
n ilˈlusionist
a conjuror. goëlaar مُشَعْوِذ، حاوٍ илюзионист kouzelník tryllekunstner der/die Illusionist(in) δημιουργός ψευδαισθήσεων ilusionista silmamoondaja شعبده باز taikuri illusionniste לַהֲטוּטָן जादूगर iluzionist illuzionista tukang sulap sjónhverfingamaður illusionista 手品師 요술쟁이 iliuzionistas iluzionists, burvju mākslinieks ahli silap mata illusionist tryllekunstner iluzjonista ilusionista iluzionist иллюзионист kúzelník iluzionist iluzionista illusionist, trollkonstnär นักมายากล hokkabaz, illüzyonist 魔幻師 фокусник, ілюзіоніст جادوگر pháp sư

illusion وهم iluze illusion Illusion παραίσθηση ilusión illuusio illusion iluzija illusione 錯覚 환각 illusie illusjon iluzja ilusão иллюзия illusion ภาพลวงตา yanılsama ảo tưởng 幻想


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