Meanings
prefix
- mathematicsUsed to form the names of inverse trigonometric functions, and the symbols for these functions.
arctan
1 more example
arc-sine (British), arcsine (US)
- alternativeproscribedsometimesmathematicsAlternative form of ar- used to form the names of inverse hyperbolic functions, and the symbols for these functions.
Synonyms & antonyms
Similar
a--1
Also see
Origin
- Proto-Indo-European*h₂erkʷ-
- Proto-Indo-European*h₂erkʷos
- Proto-Italic*arkuos
- Latinarcus
- Englisharc-
From Latin arcus (“bow, arc”), as they represent an angle or arc. Compare etymology of arch.
More words from Latin
Full word history & related roots →Translations
Hungarian arkusz-
- arkusz-forms the names of inverse trigonometric and hyperbolic functions
Portuguese arco-
- arco-forms the names of inverse trigonometric and hyperbolic functions
Turkish ark-
- ark-forms the names of inverse trigonometric and hyperbolic functions
Cite this entry
APA
arc-. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/arc-
MLA
“arc-.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/arc-. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “arc-,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/arc-.
Source: arc- on Wiktionary, CC BY-SA 4.0.