unit

/ˈjuːnɪt/
single thing or group

The apartment complex has 50 units.

The apartment complex contains 50 separate living spaces.


general

An individual thing or person regarded as single and complete but which can form part of a larger whole.

Each unit of the textbook covers a different topic.

Each chapter or section of the textbook is a distinct part.

The company sold 10,000 units last quarter.

The company sold 10,000 individual products last quarter.

Often used in business, education, and manufacturing contexts to denote a countable item or segment.

Engineering
technical

A standard measure used to express amounts.

The SI unit for length is the meter.

The meter is the standard measurement for distance in the International System of Units.

In science and engineering, a unit refers to a defined quantity used as a standard of measurement.

informal

A single room in an apartment building or residential complex.

They rented a unit downtown.

They rented a single apartment in the city center.

Common in real estate and rental contexts.

educational

A part of a school course with a particular topic.

The course has five units, each lasting two weeks.

The course is divided into five distinct topics, each taught over two weeks.

Used in curriculum design and academic planning.

Collocations

unit pricethe cost of one itemunit costthe cost to produce one itemunit of measurementa standard quantity used in measurementhousing unita single residence or apartment

Related Phrases

unit testphrase
a software testing method where individual components are tested in isolation
unit circlephrase
a circle with a radius of one, used in trigonometry

Pro Tip

Context is key

Always check the context to determine whether 'unit' refers to a product, a measurement, a room, or a part of a course. For example, 'unit price' clearly refers to the cost of one item, while 'housing unit' refers to an apartment.

Gold Rule

Avoid ambiguity

When writing or speaking, clarify what kind of 'unit' you are referring to if the context is not obvious. For example, say 'a unit of blood' instead of just 'a unit' in a medical setting.

Word Origin

From Latin *unitas* (oneness, unity), derived from *unus* (one). Entered English in the late 16th century with the sense of 'a single thing or person'.

Usage Notes

The word 'unit' is highly versatile and context-dependent. In business, it often refers to a product or service sold. In education, it refers to a distinct section of a course. In science, it refers to a standard measure. Avoid using it to mean 'a group of people' unless the context is very clear (e.g., 'a unit of soldiers').

Word Breakdown

unit
from Latin *unitas*, meaning 'oneness'
root
English Dictionary