Noun

(en noun)

A geographic area owned or controlled by a single person or organization.

The king ruled his domain harshly.

A field or sphere of activity, influence or expertise.

Dealing with complaints isn't really my domain : get in touch with customer services.

His domain is English history.

A group of related items, topics, or subjects.

* {{quote-magazine, date=2012-01

, author=Michael Riordan , title=Tackling Infinity , volume=100, issue=1, page=86 , magazine= citation , passage=Some of the most beautiful and thus appealing physical theories, including quantum electrodynamics and quantum gravity, have been dogged for decades by infinities that erupt when theorists try to prod their calculations into new domains . Getting rid of these nagging infinities has probably occupied far more effort than was spent in originating the theories.}}

(mathematics) The set of all possible mathematical entities (points) where a given function is defined.

(mathematics) A of nonzero elements is zero.

(mathematics, topology, analysis) An open and connected set in some topology. For example, the interval (0,1) as a subset of the real numbers.

(computing, Internet) Any DNS]] domain name, particularly one which has been delegated and has become representative of the delegated domain name and its [[subdomain, subdomains

* 2000 , BIND 9 Administrator Reference Manual (9.3.2) , Internet Software Consortium [http://www.bind9.net/manual/bind/9.3.2/Bv9ARM.ch01.html]

Every name in the DNS tree is a domain , even if it is terminal, that is, has no subdomains.

(computing, Internet) A collection of DNS]] or DNS-like domain names consisting of a delegated domain name and all its [[subdomain, subdomains

(computing) A collection of information having to do with a domain', the computers named in the '''domain''', and the network on which the computers named in the ' domain reside

(computing) The collection of computers identified by a domain' s domain names

(physics) A small region of a magnetic material with a consistent magnetization direction; such a region used as a data storage element in a bubble memory

(data processing) a form of technical metadata that represent the type of a data item, its characteristics, name, and usage

* {{quote-web

, year = unknown , author = IBM , title = IBM Terminology - terms D , site = 'IBM Software , Globalization , Terminology' , url = http://www-01.ibm.com/software/globalization/terminology/d.html , accessdate = 2013-12-29 }}

A characteristic of a field. A data domain specifies a data type and applies the minimum and maximum values allowed and other constraints.

(biology, taxonomy) The highest rank in the classification of organisms, above kingdom; in the three-domain system, one of the taxa Bacteria'', ''Archaea'', or ''Eukaryota .

(biochemistry) A folded section of a protein molecule that has a discrete function

Noun

(en noun)

A part, portion, or subdivision.

A distinct course of life, action, study, or the like.

* {{quote-news, year=2014

, date=November 14 , author=Stephen Halliday , title=Scotland 1-0 Republic of Ireland: Maloney the hero , work=The Scotsman citation , page= , passage=Flair and invention were very much at a premium, suffocated by the relentless pace and often fractious nature of proceedings. The absence of James Morrison from the centre of Scotland’s midfield, the West Brom man ruled out on the morning of the game by illness, had already diminished the creative capacity of the home side in that department .}}

* (and other bibliographic particulars), (Thomas Babington Macaulay)

A subdivision of an organization.

# One of the principal divisions of executive government

the Treasury Department'''''; ''the '''Department''' of Agriculture''; ''police '''department

# One of the divisions of instructions

the physics department'''''; ''the gender studies '''department

A territorial division; a district; especially, in France, one of the districts composed of several arrondissements into which the country is divided for governmental purposes.

* 2002 , , The Great Nation: France from Louis XV to the 1715-99 , Penguin 2003, p. 427:

The departments were the bricks from which the edifice of the nation was to be constructed.

(label) A military subdivision of a country; as, the Department of the Potomac.

(label) Act of departing; departure.

* (and other bibliographic particulars), Wotton

sudden 'departments from one extreme to another