DictionarycubeSquare-sided solid
noun / verb

cube

KYOOB/kjuːb/

A solid with six equal square faces.

The cube shows its top face and two square side faces.

One plain solid cube in a clear three-quarter view, showing its top and two side faces.
Etymology

Greek kybos meant a six-sided die and also described dice-like blocks. The geometric meaning preserves that familiar shape: a solid with six equal square faces.

In context

Kidney Cancer5:41
a pixel is is two-dimensional it's a square a voxel is three-dimensional it's a cube
New Imaging, Can We Use PET Scans? Michael Harrison, M.D.

More examples

  • Each edge of this cube measures two inches.
  • She cubes the potatoes before adding them to the soup.
  • The cube of three is twenty-seven.

Forms

cube · cubes · cubed · cubing

cubic adjective — Having the shape of a cube.

Similar words

block
A solid piece that need not have equal square faces.
die
Usually a small marked cube used in games of chance.