Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun domain

5 senses of domain

Sense 1
sphere, domain, area, orbit, field, arena -- (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")
       => environment -- (the totality of surrounding conditions; "he longed for the comfortable environment of his living room")

Sense 2
domain, demesne, land -- (territory over which rule or control is exercised; "his domain extended into Europe"; "he made it the law of the land")
       => region -- (a large indefinite location on the surface of the Earth; "penguins inhabit the polar regions")

Sense 3
domain, domain of a function -- ((mathematics) the set of values of the independent variable for which a function is defined)
       => set -- ((mathematics) an abstract collection of numbers or symbols; "the set of prime numbers is infinite")

Sense 4
world, domain -- (people in general; especially a distinctive group of people with some shared interest; "the Western world")
       => class, stratum, social class, socio-economic class -- (people having the same social, economic, or educational status; "the working class"; "an emerging professional class")

Sense 5
knowledge domain, knowledge base, domain -- (the content of a particular field of knowledge)
       => content, cognitive content, mental object -- (the sum or range of what has been perceived, discovered, or learned)

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