Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

American Heritage Dictionary - Cite This Source - Share This

do·main       (dō-mān')  Pronunciation Key  n.   A territory over which rule or control is exercised. A sphere of activity, concern, or function; a field: the domain of history. See Synonyms at field. Physics Any of numerous contiguous regions in a ferromagnetic material in which the direction of spontaneous magnetization is uniform and different from that in neighboring regions. Law The land of one with paramount title and absolute ownership. Public domain. The set of all possible values of an independent variable of a function. An open connected set that contains at least one point. Mathematics The set of all possible values of an independent variable of a function. An open connected set that contains at least one point. Biology Any of three primary divisions of living systems, consisting of the eukaryotes, bacteria, and archaea, that rank above a kingdom in taxonomic systems that are based on similarities of DNA sequences. Computer Science A group of networked computers that share a common communications address. [French domaine, blend of Old French demaine (from Late Latin dominicum) and Latin dominium, property, both from dominus, lord; see dem- in Indo-European roots.]

Online Etymology Dictionary - Cite This Source - Share This
domain 

WordNet - Cite This Source - Share This

domain
noun
1.	a particular environment or walk of life; "his social sphere is limited"; "it was a closed area of employment"; "he's out of my orbit" [syn: sphere]
2.	territory over which rule or control is exercised; "his domain extended into Europe"; "he made it the law of the land"
3.	(mathematics) the set of values of the independent variable for which a function is defined
4.	people in general; especially a distinctive group of people with some shared interest; "the Western world" [syn: world]
5.	the content of a particular field of knowledge [syn: knowledge domain]

The American Heritage Science Dictionary - Cite This Source - Share This

domain       (dō-mān')  Pronunciation Key  Mathematics The set of all values that an independent variable of a function can have. In the function y = 2x, the set of values that x (the independent variable) can have is the domain. Compare range. Computer Science A group of networked computers that share a common communications address. Biology A division of organisms that ranks above a kingdom in systems of classification that are based on shared similarities in DNA sequences rather than shared structural similarities. In these systems, there are three domains: the archaea, the bacteria, and the eukaryotes. Physics A region in a ferromagnetic substance in which the substance is magnetized with the same polarization throughout.

Free On-line Dictionary of Computing - Cite This Source - Share This

domain
1. In the theory of functions, the set of argument values for which a function is defined.
See domain theory.
2. A group of computers whose hostnames share a common suffix, the "domain name". The last component of this is the top-level domain.
See administrative domain, Domain Name System, fully qualified domain name.
3. Distributed Operating Multi Access Interactive Network.
4. A specific phase of the software life cycle in which a developer works. Domains define developers' and users' areas of responsibility and the scope of possible relationships between products.
5. The subject or market in which a piece of software is designed to work.
(1997-12-26)

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Domain

Dan"ger\, n. [OE. danger, daunger, power, arrogance, refusal, difficulty, fr. OF. dagier, dongier (with same meaning), F. danger danger, fr. an assumed LL. dominiarium power, authority, from L. dominium power, property. See Dungeon, Domain, Dame.]

1. Authority; jurisdiction; control. [Obs.]

In dangerhad he . . . the young girls. --Chaucer.

2. Power to harm; subjection or liability to penalty. [Obs.] See In one's danger, below.

You stand within his danger, do you not? --Shak.

Covetousness of gains hath brought [them] in dangerof this statute. --Robynson (More's Utopia).

3. Exposure to injury, loss, pain, or other evil; peril; risk; insecurity.

4. Difficulty; sparingness. [Obs.] --Chaucer.

5. Coyness; disdainful behavior. [Obs.] --Chaucer.

In one's danger, in one's power; liable to a penalty to be inflicted by him. [Obs.] This sense is retained in the proverb, "Out of debt out of danger."

Those rich man in whose debt and danger they be not. --Robynson (More's Utopia).

To do danger, to cause danger. [Obs.] --Shak.

Syn: Peril; hazard; risk; jeopardy.

Usage: Danger, Peril, Hazard, Risk, Jeopardy. Danger is the generic term, and implies some contingent evil in prospect. Peril is instant or impending danger; as, in peril of one's life. Hazard arises from something fortuitous or beyond our control; as, the hazard of the seas. Risk is doubtful or uncertain danger, often incurred voluntarily; as, to risk an engagement. Jeopardy is extreme danger. Danger of a contagious disease; the perils of shipwreck; the hazards of speculation; the risk of daring enterprises; a life brought into jeopardy.

Acronym Finder - Cite This Source - Share This

DOMAIN

DOMAIN: in Acronym Finder