Look up unit in Wiktionary, the free dictionary. Unit may refer to: Contents 1 Mathematics 2 Science and technology 3 Entertainment and the arts 4 Other uses 5 See also // Mathematics Unit (ring theory), an element that is invertible with respect to ring multiplication 1 (number), the unit number Unit vector, a vector with length equal to 1 Unit circle, the circle with radius equal to 1, centered at the origin Unit interval, the interval of all real numbers between 0 and 1 Imaginary unit, i, whose square is -1 Root of unity, a complex number, a power of which is 1 Unit type, a type that allows only one value Unit, in category theory, a natural transformation from the identity functor to the composition of two adjoint functors A statistical unit, in statistics, one member of the class of objects being studied Science and technology Units (software), a software program for unit conversion Units of measurement, a standardized quantity of measurement of a physical quantity Enzyme unit Unit (Université Numérique Ingénierie et Technologie), The Online University of Science and Technology Unit of electricity, one kilowatt hour of mains electricity Unit operation, a basic step in a chemical plant process Functional unit, a component of a computer system such as the CPU Unit of blood, a measurement in blood transfusion equal to one pint or 450 ml Unit of alcohol, 10 millilitres of pure ethanol in the United Kingdom Rack unit, a measure to describe the height of rack-mounted computer equipment Geological unit or rock unit, a volume of identifiable rock or ice Entertainment and the arts UNIT, a fictional military organization in the science fiction television series Doctor Who Unit (album), by the Australian band Regurgitator Unit (art collective), a British artists' collective G-Unit, a hip-hop music group The Units, a synthpunk band The Unit, an American television series Second unit, a team that shoots footage which is of lesser importance for the final motion picture Unit of action, a discrete piece of action (or beat) in a theatrical presentation UNIT Post Production, a British company The Tony Rice Unit, an American bluegrass group Other uses Unit (housing), a self-contained suite of rooms within a set of similar dwellings Unit of account, a monetary unit of measurement An apartment Multiple unit, a passenger train where each carriage has it own motors Military unit Strategic business unit In real time strategy games, an individual (or squad, depending on the game) infantry or vehicle See also UNITA Subunit (disambiguation) This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.