noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Abbreviation of arcsine. abbreviation, alt-of
2. 2
   the inverse function of the sine; the angle that has a sine equal to a given number wordnet

Synonyms

All synonyms

arc sinearcsineinverse sineinverse sine

Etymology

From arc- + sin.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.