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vinculum

C2 noun

vinculum /ˈvɪŋ.kjə.ləm/ nghĩa là gạch ngang trên biểu thức

Các nghĩa

  1. gạch ngang trên biểu thức

    A horizontal line over the top of some of the terms in an expression, indicating that that part of the calculation is to be done before other parts (in modern mathematical notation confined to use in radicals: √).

  2. gạch phân số

    The horizontal line between the numerator and denominator in a fraction.

  3. gạch trên phần thập phân tuần hoàn

    A horizontal line placed over one or more digits of a decimal expansion to indicate that those digits repeat indefinitely (the repetend).

    0.#92;overline#123;3#125;#61;0.333#92;ldots

  4. gạch liên hợp phức

    A horizontal line placed over a complex number or expression to denote its complex conjugate.

    #92;overline#123;2#43;3i#125;#61;2-3i

  5. gạch nối đoạn thẳng

    A horizontal line drawn over two letters to denote the line segment joining them.

    #92;overline#123;AB#125; is the line segment between points A and B

  6. gạch phủ định

    A horizontal line placed over a symbol or expression to denote logical negation (complement).

    #92;overline#123;A#125;#61;#92;lnotA

    #92;overline#123;AB#125;#61;#92;lnot(A#92;landB)

+ 2 nghĩa khác

  1. dây chằng

    A ligament that limits the movement of an organ or part.

  2. ký hiệu nối các phần đất

    A symbol in the shape of an elongated letter "S" (∫) or pair of hooks (⌠⌡) drawn on plans to join non-contiguous sections of land that are to be treated as a single parcel.

    australia

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