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English definition of “unit”

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unit

noun uk   /ˈjuː.nɪt/ us  

unit noun (SEPARATE PART)

B1 [C] a single thing or a separate part of something larger: The first year of the course is divided into four units. Each unit of the course book focuses on a different grammar point. [C] a piece of furniture or equipment that is intended to be fitted as a part of a set of similar or matching pieces: kitchen/shelf/sink units [C] a small machine or part of a machine that has a particular purpose: the central processing unit of a computer 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: a multiple-unit dwelling 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: the traditional family unit Dr Nussbaum is director of the Civil Liberties Research Unit at King's College, London. Both soldiers spent two weeks in training before being allowed to rejoin their unit (= the particular part of the army to which they belonged).
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unit noun (MEASUREMENT)

[C] a standard measure that is used to express amounts: A centimetre is a unit of length. The standard unit of currency in the US is the dollar. UK [C] a standard measure of alcohol: Experts say that women should not drink more than 14 units of alcohol a week.

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.

unit noun (SINGLE NUMBER)

[C] any whole number less than ten: Tens go in the left-hand column and units in the right. specialized mathematics [C] the number 1
(Definition of unit from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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