tris
/tɹɪs/noun
tris is spelled T-R-I-S: 4 letters. It appears 1.1 times per million words in written English, the 26,776th most frequent word form (wordfreq, 2021 data, counting Tris, the name). As a noun, tris means “A flammable compound which forms a corrosive solution in water and is used as a buffer and emulsifying agent” (English Wiktionary, September 2026).
How many letters and syllables are in tris?
| Letters | 4: T-R-I-S |
|---|---|
| In writing | 1.1 times per million words; the 26,776th most frequent word form |
| Wrong spellings searched | none measured in search |
| Same letters |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); rhymes and same-letter words are computed by PlainSpell from its own word list.
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).
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).
What rhymes with tris?
No other word on PlainSpell ends in the same sounds as tris.
Spelled with the same letters in another order: stir.
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
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).
What does tris mean?
The meanings the English Wiktionary records, quoted as written there (source below).
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).
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).