arc-
prefixEtymology From Latin arcus (“bow, arc”), as they represent an angle or arc. Compare etymology of arch.
1
Mathematics, Sciences Morpheme Used to form the names of inverse trigonometric functions, and the symbols for these functions.
- arc-sine (British), arcsine (US)
- arctan
2
Mathematics, Sciences Alternative, Morpheme, Proscribed, Sometimes Alternative form of ar- used to form the names of inverse hyperbolic functions, and the symbols for these functions.