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
category under which
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "category under which" is correct and usable in written English.
It can be used when referring to a specific classification or grouping that something falls into. Example: "The book belongs to the category under which all science fiction novels are classified."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(1)
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
22 human-written examples
Actually, the book jacket also indicates, in very small type, the category under which bookstores should shelve it: Humor/Inspiration.
News & Media
What Breyer is doing (or attempting to do) is shift the category under which the matter of dispute is to be considered.
News & Media
Philanthropic giving, the category under which graduate donations fall, now makes up about 4 percent of university budgets across Europe, according to the university association.
News & Media
The institutional category, under which Veronis Suhler puts business information services like Bloomberg and software or text providers to schools, became the largest part of the media world in 2007.
News & Media
A member of staff and a patient were physically assaulted in two separate incidents in December, resulting in the launch of two Grade 1 investigations – the highest serious-incident category, under which trusts must complete findings within 45 days.
News & Media
But others, like going on educational trips to promote "people-to-people contact" among Americans and Cubans — the category under which organizations like InsightCuba set up many of their trips — required case-by-case approval by the Treasury Department, which could be an onerous process and needed to be conducted by approved tour organizers.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
37 human-written examples
There are 18 categories under which the purchase of a gun is prohibited by federal law.
News & Media
The final major provision of the bill seeks to overhaul the categories under which immigrants can qualify for entrance visas.
News & Media
On June 30, it will begin using the 48 categories under which it already describes funds' investing styles; a fund's rating will reflect its performance versus funds in its particular category.
News & Media
Each shrine contained one of the five Buddhas who, according to Tantric Buddhist theory, presides over one of the five major psychological categories under which ultimate reality reveals itself.
Encyclopedias
There are three common categories under which the occupant may be responsible for the waterproofing: if the proprietary lease makes it the shareholder's responsibility, if the shareholder made changes to the terrace and the work damaged it, and if the repair is caused by the shareholder's negligence in using the terrace.
News & Media
Expert writing Tips
Best practice
When using "category under which", ensure the context clearly defines the classification system being referenced. It helps to establish a common understanding between the writer and the reader.
Common error
Avoid using "category under which" in overly complex sentences. Simplification often improves clarity; consider rephrasing for better readability.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "category under which" functions as a prepositional phrase, typically used to specify the classification or grouping to which something belongs. Ludwig AI confirms its correct usage.
Frequent in
News & Media
33%
Science
33%
Wiki
17%
Less common in
Encyclopedias
4%
Formal & Business
4%
Reference
0%
Ludwig's WRAP-UP
The phrase "category under which" is a common and grammatically sound way to indicate the classification of something. Ludwig AI's analysis, along with numerous examples, confirms its versatility across news, science, and general writing. For greater clarity and impact, consider alternatives like "classification that includes" or "group encompassing". While suitable for formal use, avoid overly complex sentences to ensure optimal readability.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
category that includes
Replaces "under which" with a more direct verb, emphasizing inclusion.
category encompassing
Uses a single verb to convey inclusion and scope.
classification that covers
Substitutes "category" with "classification", highlighting the act of covering.
group where it falls
Simplifies the language to focus on group membership.
type it is assigned to
Focuses on assignment and categorization using "type".
heading it is listed under
Emphasizes listing under a heading.
area of classification
Uses "area" to denote a domain of classification.
field it is classified within
Highlights the context of classification within a field.
the relevant classification
Directly points to the classification of something.
classification to which it belongs
Highlights belonging to a classification.
FAQs
How can I rephrase "category under which" for conciseness?
You can use phrases like "including category", "encompassing category", or simply "within the category" depending on the specific context.
Is "category under which" appropriate for formal writing?
Yes, the phrase is suitable for formal writing, as seen in various news articles and scientific publications. However, consider "relevant classification" for a more direct option.
What's the difference between "category under which" and "type it is assigned to"?
"Category under which" implies a pre-existing classification system, while "type it is assigned to" suggests a more direct act of assignment. Both describe classification, but the nuance lies in the context of the classification process.
How to use "category under which" in a sentence?
For example: "Determine the "category under which" you will get your green card." Always ensure the category being referenced is clear to the reader.
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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested