waterfall effect

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. A [[visual]] [[illusion]] (a [[motion]] [[aftereffect]]), where a [[stationary]] [[scene]] [[appear]]s to [[move]] in the [[opposite]] direction to a [[previously]] [[observed]], [[continuously]] [[moving]] [[stimulus]], [[similar]] to a [[waterfall]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.