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Unit vs D - What's the difference?

unit | d |

As a verb unit

is .

As a letter d is

the fourth letter of the.

As a numeral d is

cardinal number five hundred (500).

As a symbol d is

deuterium, when it needs to be distinguished from ordinary hydrogen.

unit

English

(Unit)

Noun

(en noun)
  • (sciences) A standard measure of a quantity.
  • The centimetre is a unit of length.
  • The number one.
  • This pill provides 500 units of Vitamin E.
  • An organized group comprising people and/or equipment.
  • He was a member of a special police unit .
  • (military, informal) A member of a military organization.
  • The fifth tank brigade moved in with 20 units .'' (''i.e., 20 tanks )
  • (US, military) Any military element whose structure is prescribed by competent authority, such as a table of organization and equipment; specifically, part of an organizationJoint Publication 1-02 U.S. Department of Defense Dictionary of Military and Associated Terms; 12 April 2001 (As Amended Through 14 April 2006). .
  • (US, military) An organization title of a subdivision of a group in a task force.
  • (US, military) A standard or basic quantity into which an item of supply is divided, issued or used. In this meaning, also called unit of issue.
  • (US, military) 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.
  • (algebra) An element of a ring having a multiplicative inverse. (Formerly just the identity element 1R of a ring.)
  • (geology) 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.
  • (commerce) An item which may be sold singly.
  • We shipped nearly twice as many units this month as last month.
  • (UK, electricity) One kilowatt-hour (as recorded on an electricity meter).
  • (Australia, New Zealand) 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.
  • (historical) A gold coin of the reign of James I, worth twenty shillings.
  • (Camden)

    Synonyms

    * (identity element) identity element, unit element

    Adjective

    (-)
  • For each unit.
  • We have to keep our unit costs down if we want to make a profit.
  • (mathematics) Having a size or magnitude of one.
  • * 1990 , William W. S. Wei, Time Series Analysis , ISBN 0201159112, page 9:
  • Consider the following time sequence
  • *:: Z_t=A\sin(\omega t+\theta),
  • where A is a random variable with a zero mean and a unit variance and \theta is a random variable with a uniform distribution on the interval [-\pi,\pi] independent of A.

    Derived terms

    * construction unit * tractor unit * unit aircraft * unitality * unit cost * unit combat readiness * unit commitment status * unit designation list

    References

    Anagrams

    * 1000 English basic words ----

    d

    Translingual

    {{Basic Latin character info, previous=c, next=e, image= (wikipedia d)

    Etymology 1

    Modification of capital letter D, from (etyl) letter .

    Letter

  • The fourth letter of the .
  • Usage notes

    The letter d is used in the alphabets of many languages, and in several romanization systems of non-Latin scripts to represent the (.

    See also

    (Latn-script) * (select similar letters and symbols) * (other scripts) * See

    Etymology 2

    Lower case form of upper case roman numeral D, a standardization of D or notch.

    Alternative forms

    * D,

    Numeral

  • cardinal number five hundred (500).
  • Usage notes
    With a bar over the numeral, i.e., as d, it represents five hundred thousand (500,000).
    See also
    * Lesser roman numeral symbol: * Greater roman numeral symbol: *

    Etymology 3

    Symbol

    (Voiced alveolar plosive) (head)
  • the (path-independent, ) differential of a quantity
  • voiced alveolar plosive
  • See also

    * (mathematics) {{Letter , page=D , NATO=Delta , Morse=-ยทยท , Character=D4 , Braille=? }} Image:Latin D.png, Capital and lowercase versions of D , in normal and italic type Image:Fraktur letter D.png, Uppercase and lowercase D in Fraktur Image:Uncial d.png, Approximate form of upper case letter D in uncial script that was the source for lower case d ----