pentomino

English

Examples of the two-dimensional tessellation of the 12 possible distinct pentomino shapes into rectangles of the same area, but different side lengths.

Animation showing the packing of the 12 possible distinct three-dimensional pentomino shapes into a cuboid measuring 2x3x10 units. For purposes of such packing puzzles, the squares are cubic.

Etymology

PIE word
*pénkʷe

pent(a)- + (poly)omino

Pronunciation

• Audio (US):

  (file)

Noun

pentomino (plural pentominoes)

1. (geometry) A polyomino made up of five square units. When packing pentominoes into three-dimensional shapes, the square units commonly are expanded into cubes instead of being flattened.

Synonyms

• 5-omino

Derived terms

• R-pentomino

Related terms

n squares	name
1 squares	monomino
2 squares	domino
3 squares	tromino or triomino
4 squares	tetromino
5 squares	pentomino
6 squares	hexomino
7 squares	heptomino
8 squares	octomino
9 squares	nonomino or enneomino
10 squares	decomino
11 squares	undecomino
12 squares	dodecomino
n squares	n-omino
unspecified number squares	polyomino

Further reading

• All about pentominoes