(mathematics) a number that, multiplied by itself twice, produces a
given number. (2 is the cube root [2 x 2 x 2] of 8.) See also
cube in this glossary.
(math) a number that, multiplied by itself twice, produces a
given number (4 is the cube root (4 x 4 x 4) of 64). Used figuratively in the lecture to make a
point.