Cube (k?b), n. [F. cube, L. cubus, fr. Gr. a cube, a cubical die.]
1. Geom.
A regular solid body, with six equal square sides.
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.
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.
© Webster 1913.
Cube, v. t. [imp. & p. p. Cubed (k?bd); p. pr. & vb. n. Cubing.]
To raise to the third power; to obtain the cube of.
© Webster 1913.