domain
a field of action, thought, influence, etc.: the domain of science.
the territory governed by a single ruler or government; realm.
a realm or range of personal knowledge, responsibility, etc.
a region characterized by a specific feature, type of growth or wildlife, etc.: We entered the domain of the pine trees.
Law. land to which there is superior title and absolute ownership.
Biology. a taxonomic category of the highest rank, just above kingdom, grouping together all forms of life having certain fundamental characteristics in common: in the three-domain system of classification adopted by many biologists, separate domains are assigned to the archaea (Archaea), bacteria (Bacteria), and eukaryotes (Eukaryota).
Mathematics.
the set of values assigned to the independent variables of a function.
Computers.
a group of computers and devices on a network that are administered under the same protocol.
(on the internet) one or more computers or computer networks under the same administrative control, identified by a domain name or any of its discrete parts.
Physics. one of many regions of magnetic polarity within a ferromagnetic body, each consisting of a number of atoms having a common polarity, and collectively determining the magnetic properties of the body by their arrangement.
Crystallography. a connected region with uniform polarization in a twinned ferroelectric crystal.
Origin of domain
1Other words from domain
- do·ma·ni·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use domain in a sentence
Human beings are endlessly complex creatures, and there is a wide range in normal behavior across a number of domains.
We know what happens to women in other domains too, again and again and again and again.
Fanboys, White Knights, and the Hairball of Online Misogyny | Tauriq Moosa | August 28, 2014 | THE DAILY BEASTIn such irregular and uncertain domains, when are these missions just, lawful, smart, and necessary?
There is no question that Title IX has enabled women to achieve extraordinary progress in domains previously restricted to men.
Sex, Sports, and Title IX on Campus: The Triumphs and Travails | Debra DeMeis, Rosanna Hertz | June 22, 2012 | THE DAILY BEASTIt spread from there, prompting users to take IQ tests on over 20 different domains.
To whatever extent the grants of royal domains were revoked, those burdens would be lightened.
The History of England from the Accession of James II. | Thomas Babington MacaulayFurther still, all our dearest interests lie beyond the domains of physical science, in the regions of faith.
Gospel Philosophy | J. H. WardDuring my absence, my neighbors would descend upon my domains like a flock of vultures.
The Pilgrim's Shell or Fergan the Quarryman | Eugne SueThe Count wages war against me to re-enter upon domains that once belonged to his family.
The Pilgrim's Shell or Fergan the Quarryman | Eugne SueSome districts belonged to the Imperial Domains, and were administered by agents of the emperor.
British Dictionary definitions for domain
/ (dəˈmeɪn) /
land governed by a ruler or government
land owned by one person or family
a field or scope of knowledge or activity
a region having specific characteristics or containing certain types of plants or animals
Australian and NZ a park or recreation reserve maintained by a public authority, often the government
law the absolute ownership and right to dispose of land: See also demesne, eminent domain
maths
the set of values of the independent variable of a function for which the functional value exists: the domain of sin x is all real numbers Compare range (def. 8a)
any open set containing at least one point
logic another term for universe of discourse domain of quantification
philosophy range of significance (esp in the phrase domain of definition)
Also called: magnetic domain physics one of the regions in a ferromagnetic solid in which all the atoms have their magnetic moments aligned in the same direction
computing a group of computers, functioning and administered as a unit, that are identified by sharing the same domain name on the internet
Also called: superkingdom biology the highest level of classification of living organisms. Three domains are recognized: Archaea (see archaean), Bacteria (see bacteria), and Eukarya (see eukaryote)
biochem a structurally compact portion of a protein molecule
Origin of domain
1Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for domain
[ dō-mān′ ]
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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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