u‧nit W3 [countable]
a group of people working together as part of a larger group:
The man is in the hospital's intensive care unit.
an amount of something used as a standard of measurement
The watt is a unit of electrical power.
a thing, person, or group that is regarded as one single whole part of something larger:
a Russian army unit
The family is the basic social unit of modern society.
one of the numbered parts into which a textbook (=a book used in schools) is divided
part of a bookSESTCN
a single complete product made by a company:
The factory's output is now up to 150,000 units each month.
a piece of equipment which is part of a larger machine
part of a machine
a piece of furniture, especially one that can be attached to others of the same type:
fitted kitchen units British English
a single apartment in a larger building
an amount of work that a student needs to do in order to complete a particular course
any whole number less than ten:
numberHMN British English technical
hundreds, tens, and units