Compound may refer to:

Architecture and built environments

* 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 * Compound (migrant labour), a hostel for migrant workers such as those historically connected with mines in South Africa * The Compound, an area of Palm Bay, Florida, US * Komboni or compound, a type of slum in Zambia

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 * Compounding a felony, a previous offense under the common law of England

Linguistics

Compound (linguistics) In linguistics, a compound is a lexeme (less precisely, a word or sign) that consists of more than one stem. Compounding, composition or nominal composition is the process of word formation that creates compound lexemes. Compounding occurs whe ...

, a word that consists of more than one radical element *

Compound sentence (linguistics) In grammar, sentence and clause structure, commonly known as sentence composition, is the classification of Sentence (linguistics), sentences based on the number and kind of clauses in their syntax, syntactic structure. Such division is an element ...

, a type of sentence made up of two or more independent clauses and no subordinate (dependent) clauses

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 *

Plastic compounding Compounding consists of preparing plastic formulations by mixing and/or blending polymers and plastic additive, additives in a molten state to achieve the desired characteristics. These blends are automatically dosed with fixed setpoints usually ...

, a method of preparing plastic formulations

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

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

Common names

* Compound (music), an attribute of a time signature * Compound interest, in finance, unpaid interest that is added to the principal * Compound chocolate, an inexpensive chocolate substitute that uses cocoa but excludes cocoa butter

Proper names

* ''The Compound'' (book), a 2008 young adult novel by S. A. Bodeen * Compound (company), a venture capital firm previously known as Metamorphic Ventures *

Eisenhuth Horseless Vehicle Company Eisenhuth Horseless Vehicle Company was a manufacturer of Brass Age automobiles who were originally based in New York City. In 1902 the company purchased the Keating Wheel and Automobile Company and established manufacturing operations in Midd ...

, or Compound, a former US automobile manufacturer