Meaning of “unit” in the English Dictionary

"unit" in British English

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unitnoun

uk /ˈjuː.nɪt/ us /ˈjuː.nɪt/

unit noun (SEPARATE PART)

B1 [ C ] a single thing or a separate part of something larger:

Each unit of the text book focuses on a different grammar point.
The first year of the course is divided into four units.
The company plans to split into two or three units.

[ C ] a piece of furniture or equipment that is intended to be fitted as a part of a set of similar or matching pieces:

[ C ] a small machine or part of a machine that has a particular purpose:

a waste-disposal unit

[ C ] specialized business a single complete product of the type that a business sells

[ C ] US a single apartment in a bigger building:

The old house has been divided up into three rental units.
a public housing unit

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unit noun (PEOPLE)

C1 [ C, + sing/pl verb ] a group of people living or working together, especially for a particular purpose:

Both soldiers spent two weeks in training before being allowed to rejoin their unit (= the particular part of the army to which they belonged).
Dr Nussbaum is director of the Civil Liberties Research Unit at King's College, London.

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unit noun (HOSPITAL DEPARTMENT)

[ C ] a department in a hospital for the treatment of people with similar illnesses or conditions:

She's in the burns/paediatric/psychiatric unit.

(Definition of “unit” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"unit" in American English

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unitnoun [ C ]

us /ˈju·nɪt/

unit noun [ C ] (SEPARATE PART)

a single item or a separate part of something larger:

The first year of the course is divided into four units.
This apartment building has 60 units (= separate apartments).

A unit is also a small machine or part of a machine that has a particular purpose:

A unit is also a piece of furniture or equipment used as part of a set of similar or matching pieces:

a unit of a bookcase

unit noun [ C ] (PEOPLE)

a group of people living or working together, esp. for a particular purpose:

a military unit
He’s the surgeon in charge of the burn unit at the hospital.

unit noun [ C ] (MEASUREMENT)

a standard measure used to express amounts:

An inch is a unit of length.
The dollar is the standard unit of currency in the US.

(Definition of “unit” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"unit" in Business English

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unitnoun [ C ]

uk /ˈjuːnɪt/ us

a single thing or separate part of something larger:

The training course is divided into five units, and takes place over five days.

WORKPLACE a particular type of business or department within a larger organization:

Shares in the pharmaceutical company shot up to 2575p after the sale of its chemicals unit.
Cellphone companies are still on the rise, but most of them are units of the traditional telcos.

FINANCE a single share or bond in a unit trust or mutual fund:

Your investment purchases units that are linked to the Performance Fund.

PROPERTY an individual building or house:

a piece of machinery or equipment designed to be used for a particular purpose:

an air-conditioning unit
kitchen/shelving/wall-mounted units

PRODUCTION a single product considered as part of the total number of products that a company manufactures or sells:

Last year the company cut domestic production to 3.1 million units.

MEASURES a measurement that is used as a standard to express amounts:

Women are advised not to consume more than 14 units of alcohol a week.
a unit of energy/measurement

(Definition of “unit” from the Cambridge Business English Dictionary © Cambridge University Press)