Many other Sudoku variants of different sizes also derive their name from combining the Japanese number and “doku. The aim is to avoid repeating any number in the same row or column. Below is an example of incomplete and completed Sudoku puzzles side-by-side. Sudoku is a type of puzzle in which certain numbers must be arranged within a grid. Likewise, Godoku also comes from Japanese with “go” being Japanese for “five.” Definition of Sudoku In English, the word Sudoku refers to the number puzzle made up of rows, columns, and boxes of 3×3 squares that the player needs to fill so that each of them contains the numbers 1 to 9 exactly once each. Sū means number (or digit) and doku translates as “single.” The Japanese meaning behind the names of Sudoku variantsĪ number of variations of Sudoku, particularly ones with different grid sizes, also have their origins in the Japanese language.įor example, Shidoku, a much smaller version of Sudoku that uses a 4×4 grid instead of 9×9 gets its name from “shi” meaning “four” in Japanese and “doku” from Sudoku. In Japanese, Sudoku is also written as 数独 where the two characters correspond to sū and doku. Sudoku definition, a puzzle printed on a square grid of nine large squares each subdivided into nine smaller squares, the object of which is to fill in each of the 81 squares so that each column, row, and large square contains every number from 1 to 9. The misspelling removes the direct reference to suicide, replacing it with the name of a popular and frustrating number puzzle. Sudoku has its deep roots in ancient number puzzles. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and. Sudoku originated in Switzerland and then traveled to Japan by way of America. Definition of sudoku noun in Oxford Advanced Learners Dictionary. It’s an abbreviation of the Japanese phrase “ suuji wa dokushin ni kagiru” which effectively translates as “the numbers (or digits) must remain single.” A deliberate misspelling of 'seppuku' the samurai ritual of suicide by disembowelment. The name Sudoku or more correctly comes from Japan and consists of the Japanese characters Su (meaning 'number') and Doku (meaning ‘single’) but it was not invented in Japan. While the above definition explains what the word means in English, Sudoku is a term that originates from Japan. ![]() Sudoku is based entirely on logic, without any arithmetic. The object of the puzzle is to fill the remaining squares, using all the numbers 19 exactly once in each row, column, and the nine 3 × 3 subgrids. In its simplest and most common configuration, sudoku consists of a 9 × 9 grid with numbers appearing in some of the squares. Players start with the incomplete version with empty squares and must fill in the numbers to complete the 9×9 grid. sudoku, also known as Su Doku, popular form of number game. In English, the word Sudoku refers to the number puzzle made up of rows, columns, and boxes of 3×3 squares that the player needs to fill so that each of them contains the numbers 1 to 9 exactly once each.īelow is an example of incomplete and completed Sudoku puzzles side-by-side.
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