tris1

 
Pronunciation: /trɪs/
(also tris buffer)

noun

[mass noun]
  • a flammable compound which forms a corrosive solution in water and is used as a buffer and emulsifying agent.
    • Alternative name: trishydroxymethylaminomethane; chemical formula: (HOCH2)3CNH2

Origin:

1950s: from tris-, the prefix of the systematic name