Noun
English Wikipedia has an article on:pentominoWikipedia
pentomino (plural pentominoes)
(geometry) A polyomino made up of five square unites. When packing pentominoes into three-dimensional shapes, the square units commonly are expanded into cubes instead of being flattened.
A pentacube puzzle or 3D pentomino puzzle, amounts to filling a 3-dimensional box with the 12 flat pentacubes, i.e. cover it without overlap and without gaps. Source: Internet
As a child, he was a fan of puzzles and played with pentomino toys. citation In creating Tetris, he drew inspiration from these toys. Source: Internet
Plattenbau building decorated with Pentomino tiles Video games *Lojix on the ZX Spectrum is clearly derived from pentomino, though it uses a non-standard set of 20 blocks and a 10*10 box. Source: Internet
A pentomino is a plane geometric figure formed by joining five equal squares edge to edge. Source: Internet
But it uses polyomino from 1-block monomino to 5-block pentomino that fit at most 5x5 box. Source: Internet
Comparison of labeling schemes for the 12 possible pentomino shapes. Source: Internet