Spelling Bee Hive found 1 result for poggendorff illusion. This page contains the same results as searching for that word in the app.
Poggendorff illusion - noun; Level 9; origin: German; pronunciation: ˈpägənˌdȯrf-i-ˈlü-zhən, -ˈlyü. an optical effect in which one straight line seems misaligned when two parallel lines interrupt it.
Poggendorff illusion is in Level 9, Set 03 of the Spelling Bee Hive practice sets.
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