Tris (disambiguation)
Tris or TRIS may refer to:
Chemicals
- Tris(hydroxymethyl) aminomethane, a biochemical buffer
- Tris(2-chloroethyl) phosphate, a flame retardant
- Tris(2,3-dibromopropyl) phosphate, a flame retardant
People
- Tris Speaker, a baseball player
- Tris Prior, a character in the Divergent book series and its film adaptations
Other uses
- TRIS online, a former bibliographic database created by U.S. Department of Transportation Research Information Services online
- TRIS, the ICAO type designator for the Britten-Norman Trislander
- TRIS (Technical Regulations Information System), EU information system on planned technical regulations