Word.ws English Dictionary

Ames trapezoid

Ames trapezoid noun: an optical illusion in which a trapezoid, subdivided into squares to look like a paned window, and made to rotate, appears to be a rectangle.

ames trapezoid: an optical illusion in which a trapezoid, subdivided into squares to look like a paned window, and...
Image: VanBuren, CC BY-SA 3.0, via Wikimedia Commons

Noun

Ames trapezoid (plural Ames trapezoids)

  1. An optical illusion in which a trapezoid, subdivided into squares to look like a paned window, and made to rotate, appears to be a rectangle.
    Synonyms:
    Ames window

Synonyms of Ames trapezoid

Forms of Ames trapezoid

pluralAmes trapezoids

Origin of Ames trapezoid

Discovered by American ophthalmologist Adelbert Ames, Jr. in 1947.

Questions about Ames trapezoid

What does Ames trapezoid mean?
Ames trapezoid means an optical illusion in which a trapezoid, subdivided into squares to look like a paned window, and made to rotate, appears to be a rectangle.
What part of speech is Ames trapezoid?
Ames trapezoid is a noun.
What is the plural of Ames trapezoid?
The plural of Ames trapezoid is Ames trapezoids.

Words near Ames trapezoid in the dictionary

  1. Amery
  2. Ames
  3. Ames room
  4. Ames rooms
  5. Ames test
  6. Ames trapezoid
  7. Ames trapezoids
  8. Ames window
  9. Ames windows
  10. ames-ace
  11. amesace

Source and license

Adapted from Wiktionary: Ames trapezoid (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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