unit

[ˈjuːnɪt]
n
a single undivided entity or whole
any group or individual, esp when regarded as a basic element of a larger whole
a mechanical part or integrated assembly of parts that performs a subsidiary function
a filter unit
a complete system, apparatus, or establishment that performs a specific function
a production unit
a subdivision of a larger military formation
Also called: unit of measurement A standard amount of a physical quantity, such as length, mass, energy, etc, specified multiples of which are used to express magnitudes of that physical quantity
the second is a unit of time
the amount of a drug, vaccine, etc, needed to produce a particular effect
a standard measure used in calculating alcohol intake and its effect
the first position in a place-value counting system, representing a single-digit number.having a value defined as one for the system
Also called: unit set a set having a single member
short for home unit
short for stock unit
a self-propelled railcar