Unit

From Free net encyclopedia

The word unit means any of several things:

• Unit of measurement, a fundamental quantity of measurement
• Units (computer program), a popular program that does unit conversion
• Units of energy, the units for energy measurements
• Units conversion by the Factor-label method
• Functional unit, a component of a computer system such as the CPU
• 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, 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 currency, a unit of money (a monetary unit)
• In a 19-inch rack a rack unit is a standard height of 1.75 inches

• 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, q.v.

• Military units, including:
  • Unit 101, an Israeli special operations unit
  • Unit 731, a secret unit of the Japanese army

• G-Unit, a hip-hop music group

• The Unit , a television series

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da:Enhed (flertydig) de:Einheit es:Unidad fr:unité ko:단위 io:Unajo ja:単位 pl:Jednostka simple:Unit sl:enota zh:單位