Editing T4

'''T4''' or '''T-4''' may refer to:
{{TOCright}}
==Airports and airlines==
* [[Heathrow Terminal 4]]
* [[Tiyas Military Airbase]], also known as the T-4 Airbase

==Biology and medicine==
* [[T4 phage]], a bacteriophage
* [[Thyroxine]] (T<sub>4</sub>), a form of thyroid hormone
* the T4 [[spinal nerve]]
* the fourth thoracic vertebrae of the [[vertebral column]] 
* A [[non-small cell lung carcinoma staging]] for a type of tumour
* A [[CD4]] + T lymphocyte
* T4: an EEG electrode site according to the [[10-20 system (EEG)|10-20 system]]

==Entertainment==
* [[T4 (Channel 4)|''T4'' (Channel 4)]], the former daytime teen-aimed slot on Channel 4 in the UK
* ''[[Terminator Salvation]]'', sometimes referred to as ''Terminator 4''
* ''[[Transformers: Age of Extinction]]'', the fourth film in the live-action ''Transformers'' film series

==Software and video games==
* [[Text Template Transformation Toolkit]], a technology developed by Microsoft
* ''[[Tekken 4]]'', a 2001 fighting game

==Rail transport==
* [[Eastern Suburbs & Illawarra Line]], a Sydney Trains railway service
* [[Île-de-France tramway Line 4]]
* [[T4 (Istanbul Tram)]]

==Vehicles==
* [[Dayton-Wright T-4]], a 1918 American light, single-seat reconnaissance aircraft
* [[Kawasaki T-4]], a Japanese aircraft
* [[Soyuz T-4]], a space mission
* [[Sukhoi T-4]], a Soviet aircraft
* [[Tatra T4]], a 1967 Czechoslovakian tram
* [[Thaden T-4]], a 1930s American four-seat all-metal cabin monoplane
* [[Volkswagen Eurovan#T4|Volkswagen Transporter series IV]] van
* a model of the [[OS T1000]] train of the Oslo Metro
* Model T4 Cunningham experimental armored car, later the [[M1 Armored car]]

==Weapons and explosives==
* [[T-4 Atomic Demolition Munition]], a small tactical nuclear bomb
* [[G7e torpedo#G7e/T4 Falke|G7e/T4]], a Falke German torpedo
* The Italian name for the high explosive [[RDX]]

==Other uses==
*[[Great East Road]], a road in Zambia
*[[T4 road (Tanzania)]], a road in Tanzania
* Lockheed Martin's [[High beta fusion reactor]] prototype, called T4
* A T4 slip, a tax return form used in [[income taxes in Canada]]
* ''[[Aktion T4]]'', Nazi Germany's mass-murder of the mentally and physically disabled
* [[Normal space]] in topology
* Version 4 of [[Traveller (role-playing game)|''Traveller'' role-playing game]]
* T4, one of several [[fluorescent-lamp formats]]
* A tornado intensity rating on the [[TORRO scale]]
* [[SPARC T4]], a microprocessor introduced by Oracle Microelectronics in 2011

==See also==
* [[The Four T's (disambiguation)]]
* [[4T (disambiguation)]]
* [[TTTT]]

{{Letter-Number Combination Disambiguation}}