domain

do·main

noun \dō-ˈmān, də-\

Definition of DOMAIN

1

a : complete and absolute ownership of land — compare eminent domain b : land so owned

2

: a territory over which dominion is exercised

3

: a region distinctively marked by some physical feature <the domain of rushing streams, tall trees, and lakes>

4

: a sphere of knowledge, influence, or activity <the domain of art>

5

: the set of elements to which a mathematical or logical variable is limited; specifically : the set on which a function is defined

6

: any of the small randomly oriented regions of uniform magnetization in a ferromagnetic substance

7

: integral domain

8

: the highest taxonomic category in biological classification ranking above the kingdom

9

: any of the three-dimensional subunits of a protein that are formed by the folding of its linear peptide chain and that together make up its tertiary structure

10

: a subdivision of the Internet consisting of computers or sites usually with a common purpose (as providing commercial information) and denoted in Internet addresses by a unique abbreviation (as com or gov); also : domain name

Examples of DOMAIN

1. The forest is part of the king's domain.
2. My sister is the math expert in the family, but literature is my domain.
3. Childcare is no longer solely a female domain.

Origin of DOMAIN

alteration of Middle English demayne, from Anglo-French demeine, from Latin dominium, from dominus

First Known Use: 15th century

Related to DOMAIN

Synonyms: area, arena, bailiwick, barony, business, circle, demesne, department, discipline, field, element, fief, fiefdom, firmament, front, game, kingdom, line, precinct, province, realm, specialty, sphere, terrain, walk

Related Words: frontier; study, subject; territory, turf; occupation, profession, pursuit, racket, vocation; ambit, amplitude, breadth, compass, confine, dimension(s), extent, ken, reach, scope, sweep, width; subfield, subspecialty

[+]more[-]hide

Rhymes with DOMAIN

abstain, again, air lane, airplane, amain, arcane, arraign, attain, Bahrain, Bassein, Beltane, biplane, birdbrain, block plane, bloodstain, boat train, brain drain, bugbane, campaign, champagne, champaign, Champlain, checkrein, chicane, chilblain, choke chain, chow mein, cinquain, cocaine, Cockaigne, Coltrane, coxswain, complain, constrain, contain, cordwain, cowbane, crackbrain, demesne, deplane, destain, detain, detrain, devein, disdain, distain, distrain, dogbane, drivetrain, dumb cane, edge-grain, Elaine, enchain, enplane, entrain, ethane, explain, eyestrain, fast lane, fleabane, floatplane, floodplain, food chain, forebrain, Fort Wayne, Gawain, germane, Great Dane, grosgrain, half plane, henbane, hindbrain, house-train, humane, Hussein, Igraine, immane, inane, ingrain, insane, jack plane, lamebrain, left brain, lightplane, lo mein, long-chain, Lorraine, maintain, marchpane, membrane, methane, midbrain, migraine, Montaigne, montane, moraine, mortmain, Moulmein, mundane, neck-rein, New Spain, obtain, octane, ordain, pertain, plain-Jane, profane, propane, ptomaine, purslane, quatrain, raise Cain, refrain, remain, restrain, retain, retrain, right brain, romaine, sailplane, sea-lane, seaplane, seatrain, split-brain, sustain, tailplane, tearstain, terrane, Touraine, towplane, triplane, Ukraine, unchain, urbane, vervain, vicereine, villein, volplane, warplane, wave train, wolfsbane