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Rubik's Cube

[roo-biks]
noun Trademark.
  1. a puzzle consisting of a cube with colored faces made of 26 smaller colored blocks attached to a spindle in the center, the object being to rotate the blocks until each face of the cube is a single color.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Word Origin and History for rubik's-cube

Rubik's Cube

n.

1980, named for teacher Ernö Rubik (b.1944) who patented it in Hungary in 1975.

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Online Etymology Dictionary, © 2010 Douglas Harper