英和和英

語源 1

From tri- +‎ (d)omino.

名詞

triomino (plural triominoes or triominos)

1. (games) A triangular tile, used in triominoes, a variant of the game of dominoes.

   Note: as the game plays, polyiamonds are created.

Further reading

• Triominoes on Wikipedia.Wikipedia

語源 2

From tri- +‎ -omino.

名詞

triomino (plural triominoes or triominos)

1. (geometry) Alternative form of tromino (“a polyomino consisting of three squares connected edge to edge”)