arkussini

== Finnish == === Etymology === Internationalism (see English arcsine). Contains the prefix arkus-. === Pronunciation === IPA(key): /ˈɑrkusˌsini/, [ˈɑ̝rkus̠ˌs̠ini] Rhymes: -ini Syllabification(key): ar‧kus‧si‧ni Hyphenation(key): arkus‧sini === Noun === arkussini (trigonometry) arcsine ==== Declension ====