tris

== English == === Etymology 1 === Abbreviation of tris(hydroxymethyl)aminomethane. ==== Pronunciation ==== IPA(key): /tɹɪs/ Rhymes: -ɪs Homophone: Tris ==== Noun ==== tris (uncountable) (organic chemistry) A flammable compound which forms a corrosive solution in water and is used as a buffer and emulsifying agent. ===== Alternative forms ===== tris(hydroxymethyl)aminomethane, tris buffer, THAM trometamol, tromethamine (used for drugs) === Etymology 2 === Abbreviation of tris(2,3-dibromopropyl)phosphate. ==== Pronunciation ==== IPA(key): /tɹɪs/ Rhymes: -ɪs Homophone: Tris ==== Noun ==== tris (uncountable) (organic chemistry) A phosphoric acid ester C9H15Br6O4P formerly used to flameproof clothes and especially children's nightclothes until it was found to cause cancer in animals. === Etymology 3 === From tri +‎ -s. ==== Pronunciation ==== IPA(key): /tɹaɪz/ Rhymes: -aɪz Homophone: tries ==== Noun ==== tris plural of tri === References === “tris”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022. “tris”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present. === See also === tris legomenon === Anagrams === STIR, RTIs, rits, Rist, ISTR, TIRs, stir, SIRT == French == === Noun === tris m plural of tri === Anagrams === tirs == Guinea-Bissau Creole == === Etymology === From Portuguese três. Cognate with Kabuverdianu tres. === Numeral === tris three (3) == Italian == === Etymology === Alternation of Latin ter (“thrice”) with influence of Italian bis (“twice”). === Pronunciation === IPA(key): /ˈtris/ Rhymes: -is Hyphenation: trìs === Noun === tris m (invariable) prile (card games, poker) three of a kind trio (three varieties as a unit) Un tris di baccalà ― (please add an English translation of this usage example) il tris di primi piatti ― (please add an English translation of this usage example) (games) tic-tac-toe === Further reading === tris in Treccani.it – Vocabolario Treccani on line, Istituto dell'Enciclopedia Italiana == Latin == === Pronunciation === (Classical Latin) IPA(key): [ˈtriːs] (modern Italianate Ecclesiastical) IPA(key): [ˈtris] === Numeral === trīs accusative masculine/feminine plural of trēs == Louisiana Creole == === Etymology === Inherited from French triste (“sad”). === Pronunciation === IPA(key): /tɾis/ Rhymes: -is === Adjective === tris sad Antonyms: èrè, gé, konten == Old Irish == === Etymology === From Proto-Celtic *tristos, from *tri- (“three”) +‎ *steh₂- (“to stand”), literally “third-standing”. The formation is paralleled by Proto-Italic *tristos (“witness”, literally “third standing (by)”). The original form was tres(s); the i is due analogy with the cardinal. === Pronunciation === IPA(key): /ˈt̠ʲɾʲis/ === Adjective === tris third ==== Inflection ==== Usually uninflected, but sometimes as an o/ā-stem: ==== Descendants ==== Middle Irish: tres Irish: treas Manx: trass Scottish Gaelic: treas === Mutation === === References === === Further reading === Gregory Toner, Sharon Arbuthnot, Máire Ní Mhaonaigh, Marie-Luise Theuerkauf, Dagmar Wodtko, editors (2019), “2 tress”, in eDIL: Electronic Dictionary of the Irish Language == Slovene == === Pronunciation === IPA(key): /tríːs/ === Noun === trȋs m inan (poker) three of a kind ==== Declension ==== ==== See also ==== === Further reading === “tris”, in Slovarji Inštituta za slovenski jezik Frana Ramovša ZRC SAZU (in Slovene), 2014–2026 == Spanish == === Pronunciation === IPA(key): /ˈtɾis/ [ˈt̪ɾis] Rhymes: -is Syllabification: tris === Noun === tris m (plural tris) crack (sound) ==== Derived terms ==== === Further reading === “tris”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025