Four-sided die
TYPE OF DIE
Four-sided dice; 4-sided dice; 4-sided die
Four-sided dice, abbreviated d4, are often used in tabletop role-playing games to obtain random integers in the range 1–4. Three forms exist of this die: a tetrahedron (pyramid shape) with four equilateral triangle-shaped faces, a rectangular prism with rounded or pointed ends, and an elongated long die with four triangular faces.