Vocab Bloom Hub

radical sign

/ˈrædɪkəl saɪn/

翻译: 数学符号(√),置于数字或表达式之前,表示求平方根,或更一般地表示求 n 次方根。

1 个条目

phrase

/ˈrædɪkəl saɪn/C1formaltechnical
  • zh数学符号(√),置于数字或表达式之前,表示求平方根,或更一般地表示求 n 次方根。

A mathematical symbol (√) placed before a number or expression to indicate that the square root is to be extracted, or more generally, the nth root.

  1. Mathematical symbolB2formal

    The symbol √ used to indicate the square root or nth root of a number.

    zh根号

    • The radical sign is used to denote the square root of 9, which is 3.
    • In algebra, the radical sign can also represent cube roots and higher roots.
    • The teacher wrote the radical sign on the board to solve the equation.