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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 certain category of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a certain category of" is correct and usable in written English.
It can be used when referring to a specific group or type within a broader classification. Example: "The study focused on a certain category of plants that thrive in arid environments."
✓ Grammatically correct
News & Media
Science
Academia
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
55 human-written examples
It's dangerous when you start pointing fingers at a certain category of people, thus digging trenches of hatred between us.
News & Media
That may be good for a certain category of Washington conventional-wisdom arbiter, but it isn't good for the country.
News & Media
It is also the home base for a certain category of American celebrities who seem to exist solely as a unifying, if uninspiring, national force.
News & Media
"There's a certain category of employer that feels it's appropriate to use the statutes enacted as a shield to protect the workers as a sword against them".
News & Media
Would it not be useful if you considered putting me on some group or commission where I would be officially privy to a certain category of secrecy.
News & Media
"When you look like I do — gaunt, craggy, let's say 'interesting' — you do tend to fall into a certain category of roles," he sighs.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
5 human-written examples
The purpose was to explore the effect of belonging to a certain category on assessment of the level of health and human rights observance.
No matter how much someone doesn't believe they fit into a certain category because of the way they look.
News & Media
The incidence of AEs is calculated as the number of patients who experienced at least one AE of a certain category as a percentage of the total number of patients in the safety population.
Science
The incidence of toxicity and adverse events (AEs) was calculated as the number of patients who experienced at least one toxicity/AE of a certain category as a percentage of the total number of patients.
Science
Bayesian statistics can be used to indicate the likelihood of an item falling within a certain category or range of values.
Science
Expert writing Tips
Best practice
When using "a certain category of", ensure that the context makes it clear what the distinguishing characteristics of that category are. Avoid vagueness.
Common error
Avoid using "a certain category of" when a more specific term would be more informative and precise. Using a broad category when specific details are available diminishes clarity.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a certain category of" functions as a determiner phrase identifying a subset within a larger group. Ludwig AI shows its usage across various domains, indicating its general applicability.
Frequent in
News & Media
60%
Science
25%
Academia
10%
Less common in
Encyclopedias
2%
Wiki
1%
Formal & Business
2%
Ludwig's WRAP-UP
The phrase "a certain category of" is a versatile tool for specifying a subset within a larger group, as affirmed by Ludwig. It maintains a neutral tone suitable for diverse writing contexts. While alternatives like "a specific type of" or "a particular kind of" exist, this phrase is valuable when acknowledging a specific group without needing to explicitly name it. The key is to ensure the context provides sufficient clarity regarding the category being referenced. Its widespread use in news, scientific, and academic sources confirms its reliability and appropriateness for various writing needs. Thus, while a specific term is often preferable, "a certain category of" serves as a useful means for referring to particular groupings in a general way.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
a specific type of
Replaces "category" with "type", emphasizing the distinct nature of the group.
a particular kind of
Substitutes "category" with "kind", highlighting the uniqueness of the group.
a given class of
Replaces "certain category" with "given class", providing a more formal tone.
a definite group of
Emphasizes the distinct and well-defined nature of the group.
a specific classification of
Uses the more technical term "classification" to highlight the act of categorizing.
a selected segment of
Implies a deliberate choice or selection within the broader group.
a designated set of
Highlights that the category has been officially or formally identified.
a determined subset of
Uses the term "subset" indicating that the category is a part of a larger whole.
a defined area of
Changes from category to area, implying scope.
a precise division of
Highlights accuracy by substituting with precise.
FAQs
How can I use "a certain category of" in a sentence?
Use "a certain category of" to refer to a specific, but not necessarily named, grouping within a larger set. For example, "The study focused on a certain category of plants that thrive in arid environments".
What can I say instead of "a certain category of"?
You can use alternatives like "a specific type of", "a particular kind of", or "a given class of" depending on the context.
Is it better to be specific instead of using "a certain category of"?
In many cases, yes. If you know the exact name or characteristics of the category, it's better to use that information. However, "a certain category of" is useful when you want to acknowledge the existence of a specific grouping without naming it directly.
What's the difference between "a certain category of" and "a specific category of"?
The difference is subtle. "A specific category of" implies you have a particular category in mind, while "a certain category of" can also imply that the category is known but not explicitly defined in the current context.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested