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2 definitions found
 for Cube root
From The Collaborative International Dictionary of English v.0.48 :

  Cube \Cube\ (k[=u]b), n. [F. cube, L. cubus, fr. Gr. ???? a
     cube, a cubical die.]
     1. (Geom.) A regular solid body, with six equal square sides.
        [1913 Webster]
  
     2. (Math.) The product obtained by taking a number or
        quantity three times as a factor; as, 4x4=16, and 16x4=64,
        the cube of 4.
        [1913 Webster]
  
     Cube ore (Min.), pharmacosiderite. It commonly crystallizes
        in cubes of a green color.
  
     Cube root. (Math.), the number or quantity which,
        multiplied into itself, and then into the product,
        produces the given cube; thus, 3 is the cube root of 27,
        for 3x3x3 = 27.
  
     Cube spar (Min.), anhydrite; anhydrous calcium sulphate.
        [1913 Webster]

From WordNet (r) 3.0 (2006) :

  cube root
      n 1: a number that when multiplied three times equals a given
           number

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