arcsin

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A form of arcsine — Any of several single-valued or multivalued functions that are inverses of the sine function. Symbol: arcsin, sin⁻¹

Similar
arc sinearcsineinverse sine
OriginLatin sinusclip. ← English sineclip. ← Arabic جِيبَ (jība) →
UncommonScrabble 8
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Meanings

nounarcsin (plural arcsins)

plural arcsins

  1. abbreviationAbbreviation of arcsine.

Synonyms & antonyms

nounthe inverse function of the sine; the angle that has a sine equal to a given number

Similar
arc sinearcsineinverse sine
Broader
trigonometric functioncircular function
Also see
arcsineinverse sine

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*h₂erkʷ-
  2. Proto-Indo-European*h₂erkʷos
  3. Proto-Italic*arkuos
  4. Latinarcus
  5. Englisharc-
  6. Proto-Indo-European*sinos
  7. Proto-Italic*sinus
  8. Arabicجِيبَ (jība)
  9. Latinsinus
  10. Englishsineclip.
  11. Latinsinusclip.
  12. Englisharcsin

From arc- + Translingual sin.

Full word history & related roots →

Rhymes & wordplay

Anagrams

cairnssarcin
Cite this entry
APA

arcsin. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/arcsin

MLA

“arcsin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/arcsin. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “arcsin,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/arcsin.

Source: arcsin on Wiktionary, CC BY-SA 4.0.