Compound may refer to:

Architecture

• Compound (enclosure), a cluster of buildings having a shared purpose, usually inside a fence or wall
  • Compound (fortification), a version of the above fortified with defensive structures

Finance

• Compound interest, unpaid interest that is added to the principal so that subsequent interest is calculated on the grossed amount

Government and law

• Composition (fine), a legal procedure in use after the English Civil War
  • Committee for Compounding with Delinquents, an English Civil War institution that allowed Parliament to compound the estates of Royalists
• Compounding treason, an offence under the common law of England

Science, technology, and mathematics

Biology and medicine

• Compounding, the mixing of drugs in pharmacy
• Compound fracture, a complete fractures of bone where at least one fragment has damaged the skin, soft tissue or surrounding body cavity
• Compound leaf, a type of leaf being divided into smaller leaflets

Chemistry and materials science

• Chemical compound, combination of two or more elements
• Compounding, the mixing of drugs in pharmacy
• Plastic compounding, a method of preparing plastic formulations

Linguistics

• Compound (linguistics), a word that consists of more than one radical element
• Compound sentence (linguistics), a type of sentence made up of two or more independent clauses and no subordinate (dependent) clauses

Vehicles and engines

• Compound engine, a steam engine in which steam is expanded through a series of two or three cylinders before exhaust
• Turbo-compound engine, an internal combustion engine where exhaust gases expand through power-turbines
• Compounding pressure, a method in which pressure in a steam turbine is made to drop in a number of stages
• Eisenhuth Horseless Vehicle Company, or Compound, a former US automobile make with a unique compound gasoline engine; exhausts of 2 cylinders were expanded in a larger third one

Other uses in science, technology, and mathematics

• Compound bow, a type of bow for archery
• Polyhedral compound, a polyhedron composed of multiple polyhedra sharing the same centre

Other uses

• The Compound (book), a 2008 young adult novel by S. A. Bodeen
• Compound (company), a Venture capital firm previously known as Metamorphic Ventures
• Compound (migrant labour), a hostel for migrant workers such as those historically connected with mines in South Africa
• Compound (music), an attribute of a time signature
• Compound chocolate, an inexpensive chocolate substitute that uses cocoa but excludes cocoa butter
• Komboni or compound, a type of slum in Zambia

See also

• Composite (other), for a closely related collection of concepts

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