365bet中国官方网站

  • word of the day

    latin square

    latin square - 365bet中国官方网站 definition and meaning for word latin square

    Definition
    (noun) a square matrix of n rows and columns; cells contain n different symbols so arranged that no symbol occurs more than once in any row or column

  • Word used in video below:
    text: say grandpa is a square a square is what
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