unit — English Dictionary

unit
Word-form referencesinternational unit
Pronunciations (3)
  • /ˈjuː.nɪt/
  • /ˈ(j)ɪu̯.nɪt/
  • ˈjuː.nɪt

Noun

  1. Oneness, singularity, seen as a component of a whole number; a magnitude of one.

    Examples
    More examples (1)

    Number, we define, to be, a certayne Mathematicall Sũme, of Vnits. [Note the worde, Vnit, to expresse the Greke Monas, & not Vnitie: as we haue all, commonly, till now, vsed.]

  2. A standard measure of a quantity or magnitude.

    Examples

    The centimetre is a unit of length.

    The pound sterling is a unit of currency.

  3. A basic, self-contained component or module that performs a specific function inside a computer system.

  4. The number one.

  5. An organized group comprising people or equipment.

    Examples

    He was a member of a special police unit.

  6. A course, lesson, or section of a curriculum covering a particular topic or skill.

    Examples

    We're starting a new unit on photosynthesis next week.

  7. A member of a military organization.

    Usage
    • Informal
    Examples

    The fifth tank brigade moved in with 20 units. (i.e., 20 tanks)

  8. An item which may be sold singly.

    Examples

    We shipped nearly twice as many units this month as last month.

  9. Any piece of equipment, such as an appliance, power tool, stereo system, computer, tractor, or machinery.

    Usage
    • Australia
    • New-Zealand
    • UK usage
    • US usage
    Examples

    This air-conditioner is the most efficient unit we sell.

  10. A structure used to display goods for sale (usually containing shelves, pegs or hooks)

  11. A measure of housing equivalent to the living quarters of one household; an apartment where a group of apartments is contained in one or more multi-storied buildings or a group of dwellings is in one or more single storey buildings, usually arranged around a driveway.

    Usage
    • Australia
    • New-Zealand
    • US usage
    Examples

    The new apartment complex will have 50 units.

  12. A quantity of approximately 517 milliliters (1.1 U.S. pints) of blood.

  13. Any military element whose structure is prescribed by competent authority, such as a table of organization and equipment; specifically, part of an organization.

    Usage
    • US usage
  14. An organization title of a subdivision of a group in a task force.

    Usage
    • US usage
  15. A standard or basic quantity into which an item of supply is divided, issued, or detailed.

    Usage
    • US usage
  16. With regard to Reserve Components of the Armed Forces, denotes a Selected Reserve unit organized, equipped, and trained for mobilization to serve on active duty as a unit or to augment or be augmented by another unit. Headquarters and support functions without wartime missions are not considered units.

    Usage
    • US usage
  17. The identity element, the neutral element.

    Examples
    More examples (1)

    An element 𝑒 of 𝑆 such that 𝑒𝑥 = 𝑥 = 𝑥𝑒 for all 𝑥 ∈ 𝑆 is called a unit element. (When the law of composition is written additively, the unit element is denoted by 0, and is called a zero element.)

  18. An element having an inverse, an invertible element; an associate of the unity.

    Broader terms
    Examples

    Let 𝐴 be an arbitrary integral domain. We say that an element 𝑎 ∈ 𝐴 is invertible or is a unit of 𝐴 if it has an inverse in 𝐴; in ℤ the units are ±1, […]

  19. In an adjunction, a natural transformation from the identity functor of the domain of the left adjoint functor to the composition of the right adjoint functor with the left adjoint functor.

  20. A volume of rock or ice of identifiable origin and age range that is defined by the distinctive and dominant, easily mapped and recognizable petrographic, lithologic or paleontologic features (facies) that characterize it.

    Examples
    More examples (1)

    For example, the Moenkopi Formation was named for the small settlement of Moenkopi, Arizona where the formation was first defined as being a separate unit from the rocks above and beneath it.

  21. A unit of alcohol.

    Usage
    • UK usage
  22. One kilowatt-hour (as recorded on an electricity meter).

    Usage
    • UK usage
  23. A gold coin of the reign of James I, worth twenty shillings.

    Usage
    • Historical
  24. A work unit.

  25. A physically large person.

    Usage
    • Australia
    • UK usage
    • Slang
    Examples
    More examples (1)

    Luca's father, Americo Campanaro, said: "I feel like my heart has been ripped out." Mr Campanaro added: "He was a big lad, a big unit, that's why he was a goalkeeper, with a big heart to match. A gentle giant."

  26. A penis, especially a large one.

    Usage
    • US usage
    • Slang
    • Vulgar

Adjective

  1. For each unit.

    Usage
    • not-comparable
    Examples

    We have to keep our unit costs down if we want to make a profit.

  2. Having a size or magnitude of one.

    Usage
    • not-comparable
    Examples
    More examples (1)

    Consider the following time sequence Z#95;t#61;A#92;sin(#92;omegat#43;#92;theta), where A is a random variable with a zero mean and a unit variance and #92;theta is a random variable with a uniform distribution on the interval #91;-#92;pi,#92;pi#93; independent of A.

Noun

  1. any division of quantity accepted as a standard of measurement or exchange

    Broader terms
    Examples

    the dollar is the United States unit of currency

    a unit of wheat is a bushel

    More examples (1)

    change per unit volume

  2. an individual or group or structure or other entity regarded as a structural or functional constituent of a whole

    Examples

    they reduced the number of units and installations

    the word is a basic linguistic unit

  3. an organization regarded as part of a larger social group

    Synonyms
    Examples

    the coach said the offensive unit did a good job

    after the battle the soldier had trouble rejoining his unit

  4. a single undivided whole

    Broader terms
    Examples

    an idea is not a unit that can be moved from one brain to another

  5. a single undivided natural thing occurring in the composition of something else

    Broader terms
    Examples

    units of nucleic acids

  6. an assemblage of parts that is regarded as a single entity

    Synonyms
    Examples

    how big is that part compared to the whole?

    the team is a unit

Word forms
units

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