signum

[医] 征

发音

/ˈsɪɡnəm/

词形变化

signa 复数 signa signums signums 复数

释义与例句

n.
  1. 1.

    A sign, mark, or symbol.

  2. 2.

    A medieval tower bell used particularly for ringing the eight canonical hours.

  3. 3.

    A function that extracts the sign of a real number x, yielding −1 if x is negative, +1 if x is positive, or 0 if x is zero.

    数学

相关短语

signum function signum functions signum manus

词源

Learned borrowing from Latin signum. Doublet of sign.

来源：wiktionary