Mast, MAST or MASt may refer to:

Engineering

Mast (sailing) The mast of a sailing vessel is a tall spar, or arrangement of spars, erected more or less vertically on the median line of a ship or boat. Its purposes include carrying sails, spars, and derricks, giving necessary height to a navigation lig ...

, a vertical spar on a sailing ship * Flagmast, a pole for flying a flag *

Guyed mast A guyed mast is a tall thin vertical structure that depends on guy lines (diagonal tensioned cables attached to the ground or a base) for stability. The mast itself has the compressive strength to support its own weight, but does not have the ...

, a structure supported by guy-wires * Mooring mast, a structure for docking an airship *

Radio masts and towers Radio masts and towers are typically tall structures designed to support antenna (radio), antennas for telecommunications and broadcasting, including television. There are two main types: guyed and self-supporting structures. They are among the ...

, towers that carry antennas * The primary support for a

helicopter rotor On a helicopter, the main rotor or rotor system is the combination of several rotary wings (rotor blades) with a control system, that generates the aerodynamic lift (force), lift force that supports the weight of the helicopter, and the thrust ...

* The main vertical structure of a

forklift truck A forklift (also called industrial truck, lift truck, jitney, hi-lo, fork truck, fork hoist, and forklift truck) is a powered industrial truck used to lift and move materials over short distances. The forklift was developed in the early 20th c ...

* Multi-axis shaker table, an automotive test system * Model for assessment of telemedicine, used to assess long-distance medical treatment

Biology

Mast (botany) Mast is the fruit of forest trees and shrubs, such as acorns and other nuts. The term derives from the Old English ''mæst'', meaning the nuts of forest trees that have accumulated on the ground, especially those used historically for fattening do ...

, the edible parts of woody plants * Mast Arboretum, at Stephen F. Austin State University in Nacogdoches, Texas *

Mast cell A mast cell (also known as a mastocyte or a labrocyte) is a resident cell of connective tissue that contains many granules rich in histamine and heparin. Specifically, it is a type of granulocyte derived from the myeloid stem cell that is a p ...

, involved in the allergy response * Mast., in botanical naming, the standard author abbreviation for Maxwell T. Masters * Two microtubule-associated serine/threonine-protein kinase enzymes: ** MAST1, an enzyme that in humans is encoded by the ''MAST1'' gene ** MAST2, an enzyme that in humans is encoded by the ''MAST2'' gene * MAST (MArine STramenopiles), clades of environmental DNA sequences from uncultured

stramenopile The stramenopiles, also called heterokonts, are protists distinguished by the presence of stiff tripartite external hairs. In most species, the hairs are attached to flagella, in some they are attached to other areas of the cellular surface, an ...

microorganisms obtained in marine ecosystems.

Science

Multi-Application Survivable Tether The Multi-Application Survivable Tether (MAST) experiment was an in-space investigation designed to use CubeSat spacecraft connected by tethers to better understand the survivability of tethers in space.Robert Hoyt, Jeffrey Slostad, and Robert T ...

, an experimental space mission * Multimission Archive at STScI, a component of the National Space Science Data Center * Mega Ampere Spherical Tokamak, a nuclear fusion experiment in the UK * Mikulski Archive for Space Telescopes in Maryland, USA

Society and culture

* Mast (hieroglyph), an Egyptian language triliteral * Mast (naval), in naval tradition, a non-judicial disciplinary hearing * Mast (Sufism), in India, Pakistan, and Iran, a type of religious intoxication ** Mast (Meher Baba), in the philosophy of Indian mystic Meher Baba * ''Mast'' (film), a 1999 Indian movie by Ram Gopal Verma * Mast General Store, an American regional store chain

Places

* Mast-e Olya, a village in Markazi Province, Iran * Mast-e Sofla, a village in Markazi Province, Iran

Organizations

* Maritime Archaeology Sea Trust, a UK-based charity * Masters And slaves Together (MAsT), an international BDSM organization * Municipal Ambulance Services Trust, an EMS provider in Kansas City, Missouri

Schools and education

* Marine Academy of Science and Technology, a school in Sandy Hook, New Jersey * MAST Academy (Maritime and Science Technology Academy), a school in Miami, Florida ** MAST Academy @ Homestead Medical Magnet, a school in Homestead, Florida ** José Martí MAST 6-12 Academy, a school in Hialeah, Florida * Master of Advanced Studies (MASt), a degree offered by some universities

Other uses

* Mast (surname), a surname * Mast (musician), American jazz artist *

Yogurt Yogurt (; , from , ; also spelled yoghurt, yogourt or yoghourt) is a food produced by bacterial Fermentation (food), fermentation of milk. Fermentation of sugars in the milk by these bacteria produces lactic acid, which acts on milk protein to ...

in Persian and Kurdish *

Michigan Alcohol Screening Test The Michigan Alcoholism Screening Test (MAST) screening tool was developed in 1971, and is one of the oldest alcoholism-screening tests for identifying dependent drinkers. Its use is constructed for the general population. There are other version ...

, a test for alcoholism * Military anti-shock trousers, a medical device