Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
a domain of
Grammar usage guide and real-world examplesUSAGE SUMMARY
"a domain of" is a correct and commonly used phrase in written English.
It typically refers to a specific area or field of knowledge or expertise. Example: "The field of medicine is a vast domain of specialized knowledge and skills."
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(5)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
The assumption is that the A domain of the first module activates a D-amino acid.
Science
DhbE and the A domain of ATEG_03630 share only 22.3% sequence identity.
Science
But the tea room is also a domain of coexisting universes.
News & Media
They also said immigration policy is a domain of the federal government, not the states.
News & Media
"There isn't a domain of conversation in culture which is understood by IBM or anybody else.
News & Media
All of this is a domain of discovery.
News & Media
THE ocean floor is a domain of exile.
News & Media
Each of the units mimics a domain of the protein.
Science
Also these maps reveal a domain of dynamic recovery.
A domain of existence is found for the pulsating regime.
Science
The A domain of heparin, a specific pentasaccharide sequence, binds to AT.
Academia
Expert writing Tips
Best practice
Use "a domain of" to clearly define the scope or area you are discussing. Ensure the context provides enough information to understand what specifically falls within that domain.
Common error
Avoid using "a domain of" in contexts where the area is too vague or undefined. Be specific about what constitutes the domain to prevent ambiguity.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a domain of" functions as a noun phrase modifier, specifying the scope, area, or field to which something belongs. Ludwig confirms its usage is widespread and accepted in English writing. The phrase introduces a particular area of knowledge or activity.
Frequent in
Science
43%
News & Media
36%
Academia
14%
Less common in
Formal & Business
3%
Encyclopedias
2%
Reference
2%
Ludwig's WRAP-UP
In summary, "a domain of" is a versatile phrase used to specify an area, field, or scope. Ludwig AI confirms its grammatical correctness and common usage across various contexts. The phrase is most frequently found in scientific, news, and academic writing, indicating a neutral to formal register. For clearer writing, be specific when defining the domain to avoid ambiguity. Alternatives like ""a field of"" or ""a sphere of"" can be used depending on the intended nuance. Always ensure that the context clearly defines the boundaries of the domain being discussed.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a realm of
Replaces "domain" with "realm", suggesting a more abstract or ethereal sphere.
a sphere of
Substitutes "domain" with "sphere", implying a specific area of influence or activity.
a field of
Replaces "domain" with "field", indicating an area of study or expertise.
an area of
Substitutes "domain" with "area", suggesting a specific region or scope.
a scope of
Replaces "domain" with "scope", highlighting the extent or range of something.
a province of
Substitutes "domain" with "province", implying a specific area of responsibility or control.
a territory of
Replaces "domain" with "territory", suggesting a defined area of control or influence.
an arena of
Substitutes "domain" with "arena", implying a space of activity or competition.
a department of
Replaces "domain" with "department", suggesting a specialized division within a larger organization.
a discipline of
Substitutes "domain" with "discipline", implying a specific area of study or practice with established rules and methods.
FAQs
How can I use "a domain of" in a sentence?
Use "a domain of" to specify a particular area, field, or sphere of activity, knowledge, or influence. For example, "Science is "a domain of" discovery and experimentation".
What are some alternatives to "a domain of"?
Alternatives include "a field of", "a sphere of", "an area of", or "a realm of depending on the specific context".
Is it correct to say "the domain of" instead of "a domain of"?
Both are correct, but they have slightly different meanings. "The domain of" usually refers to a specific, well-defined area, while "a domain of" refers to one particular instance or aspect of a broader area.
What's the difference between "a domain of" and "an element of"?
"A domain of" refers to an entire area or field, while "an element of" refers to a single component or aspect within that area. For example, "Mathematics is "a domain of" study", and "Algebra is "an element of" mathematics".
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested