Definition of Necker cube in English:

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Necker cube


Image of Necker cube
A line drawing of a transparent cube in which the lines of opposite sides are drawn parallel, so that the perspective is ambiguous and the orientation of the cube appears to alternate.
Example sentences
  • A Necker cube is an ambiguous object, which is to say that there is more than one way to see it, and our brains happily jump between these different views, trying one and then switching to another.
  • Although he could make hypotheses (about his wife's head or the glove) - as indeed we do when looking at the Necker cube, he could not make judgements about those things.
  • According to Dawkins genic selection and organismic selection are like two interpretations of a Necker cube illusion.


Early 20th century: named after L. A. Necker (1786–1861), Swiss naturalist.

For editors and proofreaders

Syllabification: Neck·er cube

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