MCT may refer to: Astronomy A Maksutov–Cassegrain telescope Morning Civil Twilight, from when the center of the Sun is less than 6° below the horizon to sunrise. Biochemistry Medium-chain triglycerides, a class of fat with specific dietary and technical properties (also MCT oil) Monocarboxylate transporters, a family of proton-linked plasma membrane transporters that carry molecules having one carboxylate group (monocarboxylates), such as lactate and pyruvate, across biological membranes. Methyl halide transferase, an enzyme Companies Marine Current Turbines McClatchy-Tribune Information Services, the news service formerly known as Knight Ridder Tribune Multi Channel Television, an Italian-based company, broadcasting though satellite, erotic programming Computing Microsoft Certified Trainer Mobile Computer Terminal Multi Core Timer in Exynos (system on chip) processors Engineering Maximum continuous thrust, an aviation abbreviation for a jet engine rating Mercury cadmium telluride (HgCdTe), a semiconductor with a particularly narrow bandgap used in mid- and far-infrared detectors (e.g. night vision) MOS-controlled thyristor, a type of thyristor (a solid-state semiconductor device) Multi Cable Transits, A fire-stop is a fire protection system made of various components used to seal openings and joints in fire-resistance rated wall and/or floor assemblies. For penetrating cables, these can also be called as Multi Cable Transits (MCTs). Medicine Mast cell tumor Methacholine challenge test, a medical test to assess the degree of a bronchial hyperresponsiveness (e.g. in asthma). Munich Chronotype Questionnaire (MCTQ), a standardized test for evaluating patient sleep/wake patterns Ketogenic diet (MCT diet) Micro Computed Tomography Psychology Metacognitive therapy Transportation Mars Colonial Transporter, a proposed interplanetary transportation system by SpaceX Madison County Transit, a public transportation service in Madison County, Illinois Muscat International Airport, the airport serving Muscat, Oman (IATA code is MCT) Other Minnesota Chippewa Tribe Mengisa language (ISO 639 code: mct) Marine Combat Training, a training course at the United States Marine Corps School of Infantry Monotone convergence theorem, in mathematics Motivation crowding theory, in economics Member of the Association of Corporate Treasurers, a professional organization Miss Chinese Toronto Pageant, the annual Toronto beauty pageant for Chinese Canadians Manganese cyclopentadienyl tricarbonyl, an antiknock additive for gasoline Mickelson Clarified Translation, in Modern English Bible translations Mutable collagenous tissue See also MCTS (disambiguation)