English dictionary
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English noun: optical illusion | |||
| 1. | optical illusion (phenomenon) an optical phenomenon that results in a false or deceptive visual impression | ||
| Broader (hypernym) | optical phenomenon | ||
| Narrower (hyponym) | apparent motion, apparent movement, mirage, motion, movement | ||
Based on WordNet 3.0 copyright © Princeton University.
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Web design: Orcapia v/Per Bang. English edition: .
2025 onlineordbog.dk