PCT, P.C.T. or pct may refer to:

Math, science and technology

* pct, an abbreviation for "%" (

percentage In mathematics, a percentage (from la, per centum, "by a hundred") is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, "%", although the abbreviations "pct.", "pct" and sometimes "pc" are also us ...

) * PCT theorem, on parity, charge and time inversions * Perceptual control theory, a model of behavior *

Personal Communication Telephone The Personal Handy-phone System (PHS), also marketed as the Personal Communication Telephone (PCT) in Thailand, and the Personal Access System (PAS) and commercially branded as ''Xiaolingtong'' () in Mainland China, was a mobile network system ...

, a mobile telephone service * Polychlorinated terphenyl, an industrial chemical *

Polycyclohexylenedimethylene terephthalate Polycyclohexylenedimethylene terephthalate (PCT) is a thermoplastic polyester formed from the polycondensation of terephthalic acid and cyclohexanedimethanol.{{cite encyclopedia, authors=Horst Köpnick, Manfred Schmidt, Wilhelm Brügging, Jörn R� ...

, a thermoplastic polyester *

Private Communications Technology Private Communications Technology (PCT) 1.0 was a protocol developed by Microsoft in the mid-1990s. PCT was designed to address security flaws in version 2.0 of Netscape's Secure Sockets Layer protocol and to force Netscape to hand control of th ...

, an obsolete Internet security protocol * Programmable communicating thermostat, California, US term * Projected capacitive touchscreen technology

Medicine

* Patient care technician * Person-centered therapy * Porphyria cutanea tarda, the most common subtype of porphyria *

Postcoital test The postcoital test (PCT), also known as the Sims test, Huhner test or Sims–Huhner test, is a test in the evaluation of infertility. The test examines interaction between spermatozoon, sperm and mucus of the cervix. The PCT examines sperm surv ...

, for infertility *

Post-coital tristesse Post-coital tristesse (PCT), also known as post-coital dysphoria (PCD), and colloquially post-nut clarity, is the feeling of sadness, anxiety, agitation or aggression, after sexual intercourse or masturbation. Its name comes from New Latin ''p ...

Pragmatic clinical trial A pragmatic clinical trial (PCT), sometimes called a practical clinical trial (PCT), is a clinical trial that focuses on correlation between treatments and outcomes in real-world health system practice rather than focusing on proving causativ ...

Primary care trust Primary care trusts (PCTs) were part of the National Health Service in England from 2001 to 2013. PCTs were largely administrative bodies, responsible for commissioning primary, community and secondary health services from providers. Until 31 May ...

s, UK NHS bodies 2001–2013 *

Procalcitonin Procalcitonin (PCT) is a peptide precursor of the hormone calcitonin, the latter being involved with calcium homeostasis. It arises once preprocalcitonin is cleaved by endopeptidase. It was first identified by Leonard J. Deftos and Bernard A. Roos ...

, a precursor of the hormone calcitonin * Progestogen challenge test * Proximal convoluted tubule, in the kidney *

Proton computed tomography Proton computed tomography (pCT), or proton CT, is an imaging modality first proposed by Cormack in 1963 and initial experiment explorations identified several advantages over conventional X-ray CT (xCT). However, particle interactions such as ...

(pCT), or proton CT

Places

* Pacific Crest Trail, US hiking trail from Mexico–US to Canada–US border *

Potomac Consolidated TRACON Potomac TRACON (Terminal Radar Approach CONtrol), abbreviated PCT, is the FAA air traffic control facility in charge of the Washington, D.C. airspace and Washington Special Flight Rules Area, assigning squawk codes. It is based in Warrenton, Virgi ...

, FAA facility designation *

Princeton Airport (New Jersey) Princeton Airport is a public-use airport in Montgomery Township, New Jersey, Montgomery, Somerset County, New Jersey, Somerset County, New Jersey, three miles (5 km) north of Princeton, New Jersey, Princeton and just west of Rocky Hill, New ...

, Montgomery Township, New Jersey, US, IATA code

Politics

Communist Party of Togo The Communist Party of Togo (french: Parti communiste du Togo, abbreviated PCT) is a communist party in Togo. It publishes the newspaper ''Révolution'' and has a youth wing, the Communist Youth Organisation of Togo (OJCT). History The party ...

(French: ''Parti Communiste du Togo'') * Congolese Party of Labour (French: ''Parti Congolais du Travail'') *

Tunisian Communist Party The Tunisian Communist Party ( ar, الحزب الشيوعي التونسي ' ; french: Parti Communiste Tunisien) was a Marxist political party in Tunisia. The PCT was founded on 21 May 1934 as the Tunisian federation of the French Communist Pa ...

(French: ''Parti Communiste Tunisien'')

Other

P.C.T P.C.T is a London-based independent recording artist/producer who produces Hip-Hop/Rap music (with Electronic influences). "P" has released singles, freestyles, an EP and performed around Greater London. History Early life Growing up in Londo ...

, hip-hop musicians *

Paleolithic continuity theory The Proto-Indo-European homeland (or Indo-European homeland) was the prehistoric linguistic homeland of the Proto-Indo-European language (PIE). From this region, its speakers migrated east and west, and went on to form the proto-communities of ...

, suggesting the Proto-Indo-European language comes from the Upper Paleolithic * Patent Cooperation Treaty, an international patent treaty *

Pennsylvania College of Technology Pennsylvania College of Technology (Penn College) is a public college in Williamsport, Pennsylvania. It is affiliated with, but a self-governing entity of, Pennsylvania State University. As an applied technology college (known by the locals and ...

Phi Chi Theta Phi Chi Theta ( or PCT) is one of the largest co-ed Professional fraternity, professional business Fraternities and sororities, fraternities in the United States. Phi Chi Theta was founded as a women's business fraternity on , in Chicago, Illinois ...

, fraternity * Presbyterian Church in Taiwan * ''Production Car Trial'' – see classic trials {{disambiguation, geo