* Tri- is a numerical prefix meaning

three 3 is a number, numeral, and glyph. 3, three, or III may also refer to: * AD 3, the third year of the AD era * 3 BC, the third year before the AD era * March, the third month Books * '' Three of Them'' (Russian: ', literally, "three"), a 1901 ...

. Tri or TRI may also refer to:

Places

Tri-Cities Regional Airport Tri-Cities Airport (also known as Tri-Cities Airport, TN/VA), is in Blountville, Tennessee, United States. It serves the Tri-Cities area (Bristol, Kingsport, Johnson City) of Northeast Tennessee and Southwest Virginia. The airport is governed ...

, Tennessee, US, IATA code TRI *

Triangulum Triangulum is a small constellation in the northern sky. Its name is Latin for "triangle", derived from its three brightest stars, which form a long and narrow triangle. Known to the ancient Babylonians and Greeks, Triangulum was one of the 48 ...

constellation, astronomical abbreviation Tri

People

*Tri, Former nickname for wrestler

Triple H Paul Michael Levesque (born July 27, 1969), better known by the ring name Triple H, is an American business executive, actor, and retired professional wrestler currently serving as the chief content officer for WWE. He is widely regarded as ...

* Tri Hartanto, Indonesian basketball player

Arts, entertainment, and media

* ''Tri'' (album), by Ana Stanić * ''Tri'' (novel), a Slovenian novel * El Tri, Mexican rock group

Organizations

Taipei Ricci Institute Taipei Ricci Institute (TRI) in Taipei, Taiwan, is one of four Ricci Institutes. History Heir to the spirit of Matteo Ricci’s methods of evangelization in China in the 17th century, the Taipei Ricci Institute was established in 1966 by Father ...

, an educational institute in Taiwan *

Tamalpais Research Institute Tamalpais Research Institute, also known as TRI Studios, is a virtual music venue in San Rafael, California; it is the brainchild of Grateful Dead guitarist Bob Weir, currently of Dead & Company as well as Bob Weir and Wolf Bros. TRI is a state-of ...

, a virtual music venue, San Rafael, California, US *

Translational Research Institute (Australia) The Translational Research Institute (TRI) is Australia's first translational medical research institute dedicated to translating scientific discoveries into applications for medical practice. Located in , in inner-city Brisbane, Queensland, T ...

Transport Research Institute The Transport Research Institute (TRI) is a transportation science facility at Napier University in Edinburgh, Scotland Scotland (, ) is a country that is part of the United Kingdom. Covering the northern third of the island of Great Bri ...

, in Scotland

Other uses

AC Tripoli Tripoli Sporting Club (), also known as AC Tripoli or simply Tripoli, is a football club based in Tripoli, Lebanon, that competes in the . Founded as Al Majd Sports Association (), the club was renamed Olympic Beirut Sporting Club () in 2001, ...

, a Lebanese association football club *

Total return index A total return index is an index that measures the performance of a group of components by assuming that all cash distributions are reinvested, in addition to tracking the components' price movements.

Toxics Release Inventory The Toxics Release Inventory (TRI) is a publicly available database containing information on toxic chemical releases and other waste management activities in the United States. Summary of requirements The database is available from the United St ...

, US * El Tri or El Tricolor, nicknames of the Mexico national football team *

Triangular function A triangular function (also known as a triangle function, hat function, or tent function) is a function whose graph takes the shape of a triangle. Often this is an isosceles triangle of height 1 and base 2 in which case it is referred to as ''th ...

, tri(t) *

Trichloroethylene The chemical compound trichloroethylene is a halocarbon commonly used as an industrial solvent. It is a clear, colourless non-flammable liquid with a chloroform-like sweet smell. It should not be confused with the similar 1,1,1-trichloroethane, w ...

* Triple reuptake inhibitors {{disambiguation