noun Common

domain

doh-MAYN

Domain (noun) means a field or area of activity, knowledge, or control. Example: “Marketing strategy falls squarely within her domain.”

noun

A field or area of activity, knowledge, or control.

"Marketing strategy falls squarely within her domain."

"Space exploration is no longer solely the domain of governments."

A territory owned or ruled by one person, group, or organization.

"The castle once stood at the heart of the duke's domain."

A website address (or the underlying registered name) used to identify it on the internet.

"We registered the domain last month before launching the site."

How to use domain

Learner’s notes

In plain EnglishAn area someone controls or specializes in — or, online, a website's registered name.

Common pairings

area of expertise domain name public domain

Word forms

domains plural

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Marketing strategy falls squarely within her _____.

Etymology

From Old French demeine, "power, rule," ultimately from Latin dominium, "ownership" — related to "dominion" and "dame."

Origin: Latin

Synonyms

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field realm sphere territory province arena domain of definition

Antonyms

range codomain

Related words

area field rate industry range county scale distance

Rhymes for domain

ain rain pain lain gain main vain fain bain Iain Jain Cain

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Frequently asked questions

What does “domain” mean?

The word “domain” means a field or area of activity, knowledge, or control. In plain terms, an area someone controls or specializes in — or, online, a website's registered name.

How do you pronounce “domain”?

“Domain” is pronounced doh-MAYN (/ˌdoʊ̯ˈmeɪ̯n/ in IPA).

How do you use “domain” in a sentence?

Here is “domain” used in a sentence: “Marketing strategy falls squarely within her domain.”

What is another word for “domain”?

Words with a similar meaning to “domain” include domain of definition.

What is the opposite of “domain”?

The opposite of “domain” — its antonyms — are range and codomain.

What part of speech is “domain”?

“Domain” is a noun.

Where does the word “domain” come from?

The word “domain” comes from Latin. From Old French demeine, "power, rule," ultimately from Latin dominium, "ownership" — related to "dominion" and "dame.".

Is “domain” a common word?

“Domain” is a fairly common word in modern English.

What is the difference between 'domain' and 'field'?

Both 'domain' and 'field' can mean an area of knowledge or activity, and they are often interchangeable, as in 'the domain of physics' or 'the field of physics.' 'Domain' can also carry a sense of control or ownership over that area, which 'field' does not.

What is the difference between 'domain' and 'realm'?

A 'realm' traditionally means a kingdom or territory ruled by a monarch, while a 'domain' can mean either a ruled territory or, more broadly, an area of activity, knowledge, or control. In modern figurative use both can describe a sphere of interest, such as 'the realm of ideas' or 'the domain of science.'

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