triacontad

== English == === Etymology === From Ancient Greek τριᾱκοντάς (triākontás), from τριάκοντα (triákonta, “thirty”). === Pronunciation === (General American) IPA(key): /traɪəˈkɑntæd/, /triːəˈkɑntæd/ (Received Pronunciation) IPA(key): /trʌɪəˈkɒntad/ === Noun === triacontad (plural triacontads) Synonym of thirty, the number between 29 and 31. A set of 30 items. ==== Synonyms ==== (set of 30 things): trental === References === “triacontad, n.”, in OED Online ⁠, Oxford: Oxford University Press, launched 2000.