The word 'unit' means any of several things:
★
Unit (housing), in Australia/New Zealand - a self-contained suite of rooms within a set of similar dwellings.
★
Units of measurement, a fundamental quantity of measurement
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Units (Unix), a command-line computer program that does unit conversion
★
Units conversion by factor-label, a widely used approach for performing unit conversions
★ A unit can be a general word for a module or device. For more specific example, see next entry.
★
Functional unit, a component of a computer system such as the CPU
★ A unit can refer to a self-contained section of a building (or maybe a structure such as a cabin) meant to be rented or otherwise occupied by a party, such as an apartment or business suite. See
Apartment.
★ In chemical engineering, a unit is a (usually) large vessel or section of a plant in which a
unit operation goes on. See
Chemical plant#Chemical processes.
★
Unit of action, a discrete piece of action (or beat) in a theatrical presentation
★
Multiple unit, a passenger train whose carriages have their own motors
★
United Nations Intelligence Taskforce, a fictional entity in the ''Doctor Who'' television series
★
Unit (album), an indie pop album by the Australian band ''Regurgitator''
★
Unit of alcohol, 10 millilitres of pure ethanol in the UK
★ In biochemistry, unit is the measure of
enzyme activity.
★ In a
19-inch rack a ''rack unit'' is a standard height of 1.75 inches
★
Military units, including:
★
★
Unit 101, an Israeli special operations unit
★
★
Unit 731, a covert medical experiment unit of the Imperial Japanese Army, which researched biological warfare through human experimentation during the Second Sino-Japanese War (1937-1945) and World War II
★
G-Unit, a hip-hop music group
★ ''
The Unit'', a television series
★ A
Strategic business unit
★ In filmmaking, see
second unit.
In mathematics:
★
Unit vector, a vector with length 1
★
Unit circle, the circle with radius 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 (ring theory), an element that is invertible with respect to ring multiplication
★
Unit type, a type that allows only one value
★ In
category theory, there is a
natural transformation called the unit from the identity functor to the composition of two adjoint functors