arc-

短语

发音

US

释义与例句

affix
  1. 1.

    Used to form the names of inverse trigonometric functions, and the symbols for these functions.

    数学

    arc-sine (British), arcsine (US)

  2. 2.

    Alternative form of ar- used to form the names of inverse hyperbolic functions, and the symbols for these functions.

    数学

词源

Etymology tree Proto-Indo-European *h₂erkʷ- Proto-Indo-European *h₂erkʷos Proto-Italic *arkuos Latin arcusder. English arc- From Latin arcus (“bow, arc”), as they represent an angle or arc. Compare etymology of arch.

来源：wiktionary