domain

/də'mein/

Học thuật

Thân thiện

The domain of the castle stretched across the green hills.

Definition

Noun:
- A specific area of knowledge or activity: A distinct field, subject, or sphere of interest.
- A territory owned or controlled by a ruler or government: An area of land under the rule of a particular person or group.
- (Mathematics) The set of possible input values for a function: All the independent variable values for which a given function is defined.
- A distinct subset of the internet with a common address suffix: A part of the internet identified by a unique name, like .com or .org.

Usage Examples

Noun:
- Her primary domain of expertise is molecular biology.
- The king's domain stretched from the mountains to the sea.
- The domain of the function f(x) = √x is all non-negative real numbers.
- Our company recently registered a new web domain.

Advanced Usage

"To be outside one's domain": To be outside the area of one's knowledge, expertise, or control.
- Quantum physics is outside my domain; I'm a historian.
"Public domain": Refers to creative works not protected by intellectual property laws and freely available for public use.
- That classic novel is now in the public domain.
"Domain of discourse": (Logic/Philosophy) The set of entities over which variables may range.
- In this argument, the domain of discourse is all living mammals.

Variants and Related Words

Domain name (n): The unique address of a website on the internet.
- We need to choose a memorable domain name for our business.
Domain-specific (adj): Designed for or pertaining to a particular field or area.
- This is a domain-specific language used only for financial modeling.

Synonyms

Field: A particular branch of study or sphere of activity.
Realm: A kingdom; or a field or domain of activity or interest.
Sphere: An area of activity, interest, or expertise; a particular social stratum.
Territory: An area of land under the jurisdiction of a ruler or state.

Related Phrases

Come with the domain: (Idiomatic) To be an inherent or expected part of a particular role or position.
- Long hours and high stress come with the domain of being a CEO.
Stake a/one's claim to a domain: To assert one's right to an area of expertise or control.
- With her groundbreaking research, she staked her claim to that academic domain.

The domain of the castle stretched across the green hills.

Noun

the content of a particular field of knowledge
people in general; especially a distinctive group of people with some shared interest
- the Western world
(mathematics) the set of values of the independent variable for which a function is defined
territory over which rule or control is exercised
- his domain extended into Europe
- he made it the law of the land
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

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