Phrase guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
No pronunciation record was provided for this word.
noun
A visual illusion (a motion aftereffect), where a stationary scene appears to move in the opposite direction to a previously observed, continuously moving stimulus, similar to a waterfall.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: waterfall illusion
Antonyms: none provided
History
No etymology was provided for this word.
