# tris
## English
### Etymology 1

Abbreviation of tris(hydroxymethyl)aminomethane.

#### Pronunciation

* IPA: /tɹɪs/
* Audio (US):(file)
* 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: /tɹɪs/
* Audio (US):(file)
* Rhymes: -ɪs
* Homophone: Tris

#### Noun

tris (uncountable)
* (organic chemistry) A phosphoric acid ester C$_9$H$_{15}$Br$_6$O$_4$P 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: /tɹaɪz/
* Audio (US):(file)
* 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, 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
### Pronunciation

* IPA: /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

## Louisiana Creole
### Etymology

Inherited from French triste (“sad”).

### Pronunciation

* IPA: /tɾis/
* Rhymes: -is

### Adjective

tris
* sad
    Antonyms: èrè, gé, konten

## Old Irish
### Etymology

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

### Pronunciation

* IPA: /ˈtʲrʲis/

### Adjective

tris
* third

#### Inflection

Usually uninflected, but sometimes as an o/ā-stem:
o/ā-stem :
| Singular | Masculine | Feminine | Neuter |
| Nominative | tris | tris | tris |
| Vocative | tris | tris | tris |
| Accusative | tris | tris | tris |
| Genitive | tris | tresi | tris |
| Dative | triuss | tris | triuss |
| Plural | Masculine | Feminine/neuter | Feminine/neuter |
| Nominative | tris | trisa | trisa |
| Vocative | trisu trisa† | trisa | trisa |
| Accusative | trisu trisa† | trisa | trisa |
| Genitive | tris | tris | tris |
| Dative | trisaib | trisaib | trisaib |
| Notes | † not when substantivized | † not when substantivized | † not when substantivized |

#### Descendants

* Middle Irish: tres
** Irish: treas

### Mutation

Note: Certain mutated forms of some words can never occur in Old Irish. All possible mutated forms are displayed for convenience.

### 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: /tríːs/

### Noun

trȋs m inan
* (poker) three of a kind

#### See also

Poker hands in Slovene · poker karte (layout · text) :
| najvišja karta | par | dva para | tris | lestvica, kenta |
| barva | full house | poker | barvna lestvica | kraljeva lestvica |

### Further reading

* “tris”, in Slovarji Inštituta za slovenski jezik Frana Ramovša ZRC SAZU (in Slovene), 2014–2025

## Spanish
### Noun

tris m (plural tris)
* crack (sound)

#### Derived terms

* en un tris

### Further reading

* “tris”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8, Royal Spanish Academy [Spanish: Real Academia Española], 2024 December 10