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Arc-

prefix

Definitions

Prefix
  1. 1
    Used to form the names of inverse trigonometric functions, and the symbols for these functions. morpheme

    "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. alt-of, alternative, morpheme, proscribed, sometimes

Etymology

From Latin arcus (“bow, arc”), as they represent an angle or arc. Compare etymology of arch.

See also for "arc-"

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