Tri- is a numerical prefix meaning

three 3 (three) is a number, numeral and digit. It is the natural number following 2 and preceding 4, and is the smallest odd prime number and the only prime preceding a square number. It has religious and cultural significance in many societies ...

. Tri or TRI may also refer to:

Places

Tri-Cities Regional Airport Tri-Cities Airport (also known as Tri-Cities Airport, TN/VA), serves the Tri-Cities, Tennessee, Tri-Cities area (Johnson City, Tennessee; Kingsport, Tennessee; Bristol, Tennessee-Bristol, Virginia, Virginia) of Northeast Tennessee and Southwest ...

, 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 *

Trinidad and Tobago Trinidad and Tobago, officially the Republic of Trinidad and Tobago, is the southernmost island country in the Caribbean, comprising the main islands of Trinidad and Tobago, along with several List of islands of Trinidad and Tobago, smaller i ...

, UNDP country code TRI

People

*Tri, Former nickname for wrestler

Triple H Paul Michael Levesque (; born July 27, 1969), also known by the ring name Triple H, is an American business executive and former professional wrestler. He is signed to WWE, where he serves as its chief content officer. Levesque began his wres ...

Try Sutrisno Try Sutrisno (; born 15 November 1935) is an Indonesian retired army general who served as the sixth vice president of Indonesia from 1993 to 1998. Born in Surabaya, Dutch East Indies (now Indonesia), Try graduated from the Army Technical Aca ...

, Vice President of Indonesia (1993–1998) *

Tri Rismaharini Tri Rismaharini (born 20 November 1961) is an Indonesian politician who served as the Minister of Social Affairs in the Onward Indonesia Cabinet. She is the first female to be the Mayor of Surabaya. She is one of the leaders in the central exec ...

, Indonesian politician, Minister for Social Welfare (2020–) *

Tri Hartanto Tri Hartanto (born October 29, 1989) is an Indonesian professional basketball player for the Borneo Hornbills of the Indonesian Basketball League (IBL). During his time with Pelita Jaya Jakarta, Pelita Jaya Bakrie, he was part of the List of Indo ...

, Indonesian basketball player

Arts, entertainment, and media

* ''Tri'' (album), by Ana Stanić * ''Tri'' (novel), a Slovenian novel * El Tri, Mexican rock group * ''Tri'' (film), a 1965 Yugoslav film directed by Aleksandar Petrović

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 Fat ...

, 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 sta ...

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

Translational Research Institute (Australia) The Translational Research Institute (TRI) is Australia, Australia's first translational research, translational medical research research institute, institute dedicated to translating scientific discoveries into applications for medical practic ...

* Transport Research Institute, 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 , and is primarily supported by the Sunni Muslim community. Founded as Al Majd Sports Association (), th ...

, 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 ...

, US * El Tri or El Tricolor, nicknames of the

Mexico national football team The Mexico national football team () represents Mexico in men's international association football, football and is governed by the Mexican Football Federation, Federación Mexicana de Fútbol (). It has been a member of FIFA since 1929 and c ...

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 Trichloroethylene (TCE) is an organochloride with the formula C2HCl3, commonly used as an industrial metal-degreasing solvent. It is a clear, colourless, non-flammable, volatile liquid with a chloroform-like pleasant mild smell and sweet taste.

* Triple reuptake inhibitors *

Trisakti University Universitas Trisakti (Usakti, Trisakti) is Indonesia's largest private university located in Jakarta, Indonesia. Universitas Trisakti, is the only private university in Indonesia which was established by the Government of the Republic of Indones ...

, an Indonesian campus based on Jakarta {{disambiguation