pentominon.

Brit.

/pɛnˈtɒmᵻnəʊ/, U.S.

/pɛnˈtɑmənoʊ/

Inflections: Plural pentominoes.

Origin: Formed within English, by compounding. Etymons: penta- comb. form, domino n.

Etymology: < penta- comb. form + -omino (in domino n.); coined by S. W. Golomb by analogy, taking the d- of domino (by an intentional false etymology) to represent either di- comb. form or duo- comb. form (see quots. 1954 at sense 1 and 1961 at sense 1).

1. Each of the twelve distinct planar shapes that can be formed by joining five identical squares by their edges.

ΘΚΠ

the world > space > shape > angularity > specific angular shape > [noun] > quadrilateral > square > figure or shape made up of squares

pentomino1954

polyomino1954

1954 Amer. Math. Monthly 61 681 There are twelve distinct pentominoes.

1961 New Scientist 2 Nov. 316/2 A domino is formed from two adjacent squares: he [sc. Golomb] argues that practical needs and false etymology will justify our calling a square a monomino—whence we have a series monomino, domino, tromino, tetromino.., and Maestro pieces then become pentominoes.

1975 A. C. Clarke Imperial Earth xxiv. 173 He replaced the titanite cross in its setting between the F, N, U and V pentominoes.

1994 New Scientist 12 Nov. 49/1 Those weaned on Martin Gardener's Mathematical Games know Pentominoes as old friends. Five contiguous unit squares can form just 12 different shapes.

2. In plural. A board game or puzzle involving the rearrangement of plastic or wooden pentomino shapes.

ΘΚΠ

society > leisure > entertainment > pastimes > game > board game > other board games > [noun] > others

quek1376

quek-board1477

draughtsc1540

goose1597

mancala1687

pachisi1801

Chinese chequers1840

go1840

shogi1858

wari1866

wei ch'i1871

gobang1875

crokinole1885

Kono1895

salta1901

Snakes and Ladders1907

pegity1925

oware1929

monopoly1934

Scrabble1950

morabaraba1953

Chutes and Ladders1955

pentominos1975

Trivial Pursuit1982

1975 Official Gaz. (U.S. Patent Office) 21 Jan. tm279/2 Solomon W. Golomb, La Canada, Calif. Filed Sept. 13, 1972. Pentominoes. For equipment, consisting of the twelve distinct five-celled square figures and a playing board, for use in various combinatorial puzzles and in competitive board games... First used November 1953.

1999 Timber & Wood Products (Nexis) 26 June 12 I've borrowed two puzzles pentominoes and hexiamonds which are well known in the puzzle world, and designed my own sets.

2000 S. Poole Trigger Happy vii. 179 From dominoes to pentominoes to Tetris..: the videogame format takes something old and makes of it something startlingly new.

This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022).

单词	pentomino
释义	pentominon. Brit. /pɛnˈtɒmᵻnəʊ/, U.S. /pɛnˈtɑmənoʊ/ Inflections: Plural pentominoes. Origin: Formed within English, by compounding. Etymons: penta- comb. form, domino n. Etymology: < penta- comb. form + -omino (in domino n.); coined by S. W. Golomb by analogy, taking the d- of domino (by an intentional false etymology) to represent either di- comb. form or duo- comb. form (see quots. 1954 at sense 1 and 1961 at sense 1). 1. Each of the twelve distinct planar shapes that can be formed by joining five identical squares by their edges. ΘΚΠ the world > space > shape > angularity > specific angular shape > [noun] > quadrilateral > square > figure or shape made up of squares pentomino1954 polyomino1954 1954 Amer. Math. Monthly 61 681 There are twelve distinct pentominoes. 1961 New Scientist 2 Nov. 316/2 A domino is formed from two adjacent squares: he [sc. Golomb] argues that practical needs and false etymology will justify our calling a square a monomino—whence we have a series monomino, domino, tromino, tetromino.., and Maestro pieces then become pentominoes. 1975 A. C. Clarke Imperial Earth xxiv. 173 He replaced the titanite cross in its setting between the F, N, U and V pentominoes. 1994 New Scientist 12 Nov. 49/1 Those weaned on Martin Gardener's Mathematical Games know Pentominoes as old friends. Five contiguous unit squares can form just 12 different shapes. 2. In plural. A board game or puzzle involving the rearrangement of plastic or wooden pentomino shapes. ΘΚΠ society > leisure > entertainment > pastimes > game > board game > other board games > [noun] > others quek1376 quek-board1477 draughtsc1540 goose1597 mancala1687 pachisi1801 Chinese chequers1840 go1840 shogi1858 wari1866 wei ch'i1871 gobang1875 crokinole1885 Kono1895 salta1901 Snakes and Ladders1907 pegity1925 oware1929 monopoly1934 Scrabble1950 morabaraba1953 Chutes and Ladders1955 pentominos1975 Trivial Pursuit1982 1975 Official Gaz. (U.S. Patent Office) 21 Jan. tm279/2 Solomon W. Golomb, La Canada, Calif. Filed Sept. 13, 1972. Pentominoes. For equipment, consisting of the twelve distinct five-celled square figures and a playing board, for use in various combinatorial puzzles and in competitive board games... First used November 1953. 1999 Timber & Wood Products (Nexis) 26 June 12 I've borrowed two puzzles pentominoes and hexiamonds which are well known in the puzzle world, and designed my own sets. 2000 S. Poole Trigger Happy vii. 179 From dominoes to pentominoes to Tetris..: the videogame format takes something old and makes of it something startlingly new. This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022). < n.1954
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