Fröhlich effect

noun

A visual illusion wherein the first position of a moving object entering a window is misperceived.

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Meanings

nounFröhlich effect (plural Fröhlich effects)

plural Fröhlich effects

  1. A visual illusion wherein the first position of a moving object entering a window is misperceived.

Origin

Described by Friedrich W. Fröhlich.

Full word history & related roots →
Cite this entry
APA

Fröhlich effect. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Fr%C3%B6hlich%20effect

MLA

“Fröhlich effect.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Fr%C3%B6hlich%20effect. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “Fröhlich effect,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Fr%C3%B6hlich%20effect.

Source: Fröhlich effect on Wiktionary, CC BY-SA 4.0.