Noun

(*plural* magic cubes)

- By analogy with magic square, an n-by-n-by-n arrangement of n³ numbers such that the numbers in each row, in all columns (horizontal and vertical) and in all main diagonals (of which there are 6*n+4) each have the same sum.

Noun

(*plural* magic cubes)

- (trademark, possibly registered) Rubik's cube

Origin

The original Hungarian name (in English, according to Singmaster's *Notes on Rubik's 'Magic Cube'* and the Wikipedia page) for what later became known in Western markets as Rubik's Cube.