(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.
... said. "I think I understand cube root pretty well now. It was a good idea working by myself. When I left school I had only got through fractions. That's seventy-five pages back and I understand all that I have tried since. I won't be satisfied till I have gone to the end ... — Robert Coverdale's Struggle - Or, On The Wave Of Success • Horatio, Jr. Alger