tris

Chemical structure of tris(hydroxymethyl)aminomethane

Abbreviation of tris(hydroxymethyl)aminomethane.

• IPA^(key): /tɹɪs/

• Audio (US)

  (file)

• Rhymes: -ɪs
• Homophone: Tris

tris (uncountable)

1. (organic chemistry) A flammable compound which forms a corrosive solution in water and is used as a buffer and emulsifying agent.

• tris(hydroxymethyl)aminomethane, tris buffer, THAM
• trometamol, tromethamine (used for drugs)

Chemical structure of tris(2,3‑dibromopropyl)phosphate

Abbreviation of tris(2,3-dibromopropyl)phosphate.

• IPA^(key): /tɹɪs/

• Audio (US)

  (file)

• Rhymes: -ɪs
• Homophone: Tris

tris (uncountable)

1. (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.

From tri +‎ -s.

• IPA^(key): /tɹaɪz/

• Audio (US)

  (file)

• Rhymes: -aɪz
• Homophone: tries

tris

1. plural of tri

• “tris”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
• “tris”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.

• tris legomenon

• ISTR, RTIs, Rist, STIR, rits, sirt, stir

tris m

1. plural of tri

• tirs

From Portuguese três. Cognate with Kabuverdianu tres.

tris

1. three (3)

• IPA^(key): /ˈtris/
• Rhymes: -is
• Hyphenation: trìs

tris m (invariable)

1. prile
2. (card games, poker) three of a kind
3. 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)

4. (games) tic-tac-toe

• tris in Treccani.it – Vocabolario Treccani on line, Istituto dell'Enciclopedia Italiana

Inherited from French triste (“sad”).

• IPA^(key): /tɾis/
• Rhymes: -is

tris

1. sad

   Antonyms: èrè, gé, konten

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

• IPA^(key): /ˈtʲrʲis/

tris

1. third

Usually uninflected, but sometimes as an o/ā-stem:

• Middle Irish: tres
  • Irish: treas

• G. Toner, M. Ní Mhaonaigh, S. Arbuthnot, D. Wodtko, M.-L. Theuerkauf, editors (2019), “2 tress”, in eDIL: Electronic Dictionary of the Irish Language

• IPA^(key): /tríːs/

trȋs m inan

1. (poker) three of a kind

tris m (plural tris)

1. crack (sound)

• “tris”, in Diccionario de la lengua española, Vigésima tercera edición, Real Academia Española, 2014