tris
/tɹɪs/noun
tris is a noun meaning “A flammable compound which forms a corrosive solution in water and is used as a buffer and emulsifying agent” (English Wiktionary, September 2026). It is spelled T-R-I-S, and it appears 1.1 times per million words in written English (wordfreq, 2021 data, counting Tris, the name).
What does tris mean?
noun
- 1
A flammable compound which forms a corrosive solution in water and is used as a buffer and emulsifying agent.
- 2
A phosphoric acid ester C₉H₁₅Br₆O₄P formerly used to flameproof clothes and especially children's nightclothes until it was found to cause cancer in animals.
- 3
plural of tri
noun
- 1
plural of TRI
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How do you pronounce tris?
- /tɹɪs/
As a noun: /tɹaɪz/.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Persent101-tris_(1).wav, LL-Q1860_(eng)-Persent101-tris_(2).wav, Wikimedia Commons (author and licence on each file's page).
Forms of tris
- tris(hydroxymethyl)aminomethane
- tris buffer
- trometamol
- tromethamine
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is tris?
Tris appears 1.1 times per million words in written English, the 26,776th most frequent word form in the list. The list counts every capitalisation together, so this includes Tris, the name.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Where does tris come from?
Abbreviation of tris(hydroxymethyl)aminomethane.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).