unit
//ˈjuːnɪt//
Noun
unitSingular
unitsPlural
1
A single thing or person regarded as an individual part of a whole or group
Each apartment is a separate unit in the building.
2
A standard quantity used as a basis for measurement or calculation
The meter is the standard unit of length.
3
A self-contained section or component of a larger structure, system, or course
We will study the first unit of the textbook next week.
4
A device or piece of equipment designed to perform a specific function
The air conditioning unit needs to be serviced.
5
A group of people or things organized for a particular purpose, especially in military or business contexts
He commands a special military unit.