Cube \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.
Source: Webster's Revised Unabridged Dictionary (1913)
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