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domains - 4 dictionary results

do⋅main

[doh-meyn]
–noun
1. a field of action, thought, influence, etc.: the domain of science.
2. the territory governed by a single ruler or government; realm.
3. a realm or range of personal knowledge, responsibility, etc.
4. a region characterized by a specific feature, type of growth or wildlife, etc.: We entered the domain of the pine trees.
5. Law. land to which there is superior title and absolute ownership.
6. Mathematics.
a. the set of values assigned to the independent variables of a function.
b. region (def. 11a).
7. Computers.
a. a group of computers and devices on a network that are administered under the same protocol.
b. the top level in a domain name, indicating the type of organization, geographical location, or both, and officially designated in the suffix, as .com for commercial enterprises in the U.S.
8. 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.
9. Crystallography. a connected region with uniform polarization in a twinned ferroelectric crystal.

Origin:
1595–1605; < F domaine, alter., by assoc. with L dominium dominium, of OF demeine < LL dominicum, n. use of neut. of L dominicus of a master, equiv. to domin(us) lord + -icus -ic


do⋅ma⋅ni⋅al, adjective

re⋅gion

[ree-juhn]
–noun
1. an extensive, continuous part of a surface, space, or body: a region of the earth.
2. Usually, regions. the vast or indefinite entirety of a space or area, or something compared to one: the regions of the firmament; the regions of the mind.
3. a part of the earth's surface (land or sea) of considerable and usually indefinite extent: a tropical region.
4. a district without respect to boundaries or extent: a charming region in Connecticut.
5. a part or division of the universe, as the heavens: a galactic region.
6. a large indefinite area or range of something specified; sphere: a region of authority.
7. an area of interest, activity, pursuit, etc.; field: studies in the region of logic.
8. an administrative division of a city or territory.
9. Zoogeography. a major faunal area of the earth's surface, sometimes one regarded as a division of a larger area.
10. Anatomy. a place in or a division of the body or a part of the body: the abdominal region.
11. Mathematics.
a. Also called domain. an open connected set.
b. the union of such a set and some or all of its boundary points.

Origin:
1300–50; ME < AF regiun < L regiōn- (s. of regiō) direction, line, boundary, equiv. to reg(ere) to rule + -iōn- -ion


1. area, section, portion. 4. locale, site, tract, quarter.
do·main   (dō-mān')   
n.  
  1. A territory over which rule or control is exercised.
  2. A sphere of activity, concern, or function; a field: the domain of history. See Synonyms at field.
  3. 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.
  4. Law
    1. The land of one with paramount title and absolute ownership.
    2. Public domain.
    3. The set of all possible values of an independent variable of a function.
    4. An open connected set that contains at least one point.
  5. Mathematics
    1. The set of all possible values of an independent variable of a function.
    2. An open connected set that contains at least one point.
  6. 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.
  7. 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.]
domain   (dō-mān')  Pronunciation Key 
  1. 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.
  2. Computer Science A group of networked computers that share a common communications address.
  3. 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.
  4. Physics A region in a ferromagnetic substance in which the substance is magnetized with the same polarization throughout.

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