Word.ws English Dictionary

arc-

arc- prefix: used to form the names of inverse trigonometric functions, and the symbols for these functions. Also the alternative form of ar- used to form the names of inverse hyperbolic functions.

Prefix

arc-

  1. Used to form the names of inverse trigonometric functions, and the symbols for these functions.
    • arc-sine (British), arcsine (US)
    • arctan

Also used as

arc- is also the alternative form of ar- used to form the names of inverse hyperbolic functions.

Synonyms of arc-

Origin of arc-

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

Questions about arc-

What does arc- mean?
Arc- means used to form the names of inverse trigonometric functions, and the symbols for these functions.
What part of speech is arc-?
Arc- is a prefix.

Words near arc- in the dictionary

  1. arc welder
  2. arc welder's disease
  3. arc welders
  4. arc welding
  5. arc welds
  6. arc-
  7. arc-boutant
  8. arc-boutants
  9. arc-connected
  10. Arc-et-Senans
  11. arc-fault circuit interrupter

Source and license

Adapted from Wiktionary: arc- (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-arc-.wav.

Cite this entry: “arc-.” Word.ws, https://word.ws/arc-. Based on Wiktionary, CC BY-SA 4.0.