TPI may refer to:

Medicine

* Tehran Psychiatric Institute, an Iranian research institute * Tianyin Pharmaceutical, a Chinese pharmaceutical company * TPI test, used to detect presence of ''Treponema pallidum'' bacteria *

Triosephosphate isomerase Triose-phosphate isomerase (TPI or TIM) is an enzyme () that catalyzes the reversible interconversion of the triose phosphate isomers dihydroxyacetone phosphate and D-glyceraldehyde 3-phosphate. TPI plays an important role in glycolysis and i ...

, an enzyme

Technology

* Tire Pressure Indicator, a product by NIRA Dynamics AB *

TPI Specialties TPI Specialties is the name of an auto parts manufacturer specializing in air induction and fuel delivery parts, with a particular emphasis on GM Tuned Port Injection applications. History TPI Specialties was founded by Myron Cottrell, a profess ...

, an American auto parts manufacturer *

True Performance Index The PR (performance rating, P-rating, or Pentium rating) system was a figure of merit developed by AMD, Cyrix, IBM Microelectronics and SGS-Thomson in the mid-1990s as a method of comparing their x86 processors to those of rival Intel. The idea w ...

, a measurement for AMD processors * Teeth per inch, on a

saw A saw is a tool consisting of a tough blade, Wire saw, wire, or Chainsaw, chain with a hard toothed edge used to cut through material. Various terms are used to describe toothed and abrasive saws. Saws began as serrated materials, and when man ...

blade

Units of measure

Thread count Textile fibers, threads, yarns and fabrics are measured in a multiplicity of units. * A fiber, a single filament of natural material, such as cotton, linen or wool, or artificial material such as nylon, polyester, metal or mineral fiber, or huma ...

, or threads per inch, used in the textile industry *

Threads per inch A screw thread is a helical structure used to convert between rotational and linear movement or force. A screw thread is a ridge wrapped around a cylinder or cone in the form of a helix, with the former being called a ''straight'' thread and th ...

, used with threaded fasteners * Tracks per inch, of magnetic storage media *

Twist per inch TPI (twists per inch or turns per inch) is a term used in the textile industry. It measures how much twist a yarn has,Kadolph, Sara J., ed.: ''Textiles'', 10th edition, Pearson/Prentice-Hall, 2007, , p. 197 and can be calculated by counting the nu ...

, or turns per inch, used in the textile industry

Other uses

MNCTV PT MNC Televisi IndonesiaTangail Polytechnic Institute, in Bangladesh * Tapini Airport, in Papua New Guinea *

Tarup-Paarup IF Tarup-Paarup Idrætsforening, commonly known as Tarup-Paarup IF or TPI, is an association football club based in Odense, Denmark, that competes in the Denmark Series, the fifth tier of the Danish football league system. Founded in 1962 after the ...

, a Danish association football club *

Technique Polytechnic Institute Technique Polytechnic Institute is a co-educational private university, private diploma engineering college located at Hooghly district in West Bengal, India. It is affiliated to West Bengal State Council of Technical Education and approved ...

, in West Bengal, India *

Ted Petty Invitational The Ted Petty Invitational tournament (the TPI) is an independent wrestling tournament in North America, run and promoted by Independent Wrestling Association Mid-South. Created as the Sweet Science Sixteen in 2000 by Ian Rotten, the tournament wa ...

, an independent wrestling tournament in North America * Third-party inspection company * Tibet Policy Institute, a think tank of the Central Tibetan Administration *

Tok Pisin Tok Pisin ( ,Laurie Bauer, 2007, ''The Linguistics Student's Handbook'', Edinburgh ; ), often referred to by English speakers as New Guinea Pidgin or simply Pidgin, is an English-based creole languages, English creole language spoken throughou ...

, a language of Papua New Guinea * Town Planning Institute, later the Royal Town Planning Institute, a professional organisation in the United Kingdom * TPI Polene, a Thai cement manufacturer * TPI theory, in human resource management * Trading Places International, an American vacation services corporation * Triebold Paleontology Incorporated, an American fossil company * Tube Products of India, an Indian steel manufacturer *

Two person integrity The two-person rule is a control mechanism designed to achieve a high level of security for especially critical material or operations. Under this rule, access and actions require the presence of two or more authorized people at all times. United ...

, a communications security measure {{disambiguation