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
type of topic
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "type of topic" is correct and usable in written English.
It can be used when categorizing or specifying the nature of a subject being discussed or analyzed. Example: "In our discussion today, we will focus on the type of topic that relates to environmental sustainability."
✓ Grammatically correct
Science
News & Media
Wiki
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
8 human-written examples
"This is not the type of topic suitable for public debate during the free-agency period, if at all," Lucchino said.
News & Media
The site lets anyone create "Hubs" around any type of topic, and divided content into forums, questions and answers.
News & Media
To explore whether differences between collaboratives with respect to type of topic, type of targets, measures (systems) are also reflected in the degree of effectiveness.
Science
The aim of this multiple case study is to explore whether differences between collaboratives with respect to type of topic, type of targets and measures (systems) are also reflected in the degree of effectiveness.
Science
Although it is acknowledged that conducting experimental studies for this type of topic may not be feasible, collecting data prospectively may help enhance the reliability and generalisability of the results.
Science
This study is used to highlight the methodological issues and avenues taken to overcome the problems of interviewing adults and children on an important, low-prevalent and sensitive issue and has shown the value of CATI in collecting data on this type of topic.
Human-verified similar examples from authoritative sources
Similar Expressions
52 human-written examples
But Mr. Danforth, who served as a special envoy to Sudan during President George W. Bush's administration, also acknowledged that the type of topics the center was likely to take up could be controversial and could prompt exchanges like "I'm right, you're wrong, God's on my side".
News & Media
This research, my knowledge of and experience in career counseling, the questions from readers in the Next Wave forums (especially the Ask Kathie forum that I moderated for a couple of years), my own personal history, and input and feedback from you will serve as my guide for the type of topics I will cover in this column.
Science & Research
Selecting relevant topics appears to be the most important factor in encouraging use of academic detailing but we did not find consensus on what type of topics physicians consider valuable.
Science
We measured the effectiveness of the TFIDF and E_QE approaches for different types of topic change situations.
Science
If the teacher has provided an assignment sheet, read it over with a pen or highlighter in hand and mark important details pertaining to the types of topic you may choose, the length of the presentation (if any), materials, sources required, etc. Pay attention to the due date as well you don't want to spend days working on a project only to run out of time before you finish!
Wiki
Expert writing Tips
Best practice
When categorizing subjects, use "type of topic" to clearly specify that you are referring to the kind or category of a subject, not the specific details within that subject.
Common error
Avoid using "type of topic" repeatedly in formal writing. Instead, vary your language with synonyms like "area of focus" or "nature of the subject" for a more sophisticated tone.
Source & Trust
77%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "type of topic" functions as a noun phrase that acts as a classifier or descriptor. It specifies a category or kind of subject matter, as demonstrated by the examples provided by Ludwig.
Frequent in
Science
41%
News & Media
35%
Wiki
18%
Less common in
Formal & Business
6%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "type of topic" is a grammatically sound and usable noun phrase, functioning as a classifier to specify a category or kind of subject matter. While Ludwig AI indicates it is correct, its frequency is uncommon, appearing primarily in science and news contexts. For variety and sophistication, consider using synonyms like "nature of the subject" or "area of focus", especially in formal writing. When using "type of topic", ensure it clearly categorizes the subject without unnecessary repetition. It is appropriate to categorize or classify a subject area and using synonyms helps readability. Overall, the phrase is valuable for clarifying the subject under discussion.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
kind of subject matter
Replaces 'type' with 'kind' and 'topic' with the more formal 'subject matter'.
nature of the subject
Focuses on the inherent characteristics of the topic rather than its classification.
category of theme
Substitutes 'type' with 'category' and 'topic' with 'theme', emphasizing a broader thematic classification.
sort of issue
Uses more informal terms 'sort' and 'issue', suitable for less formal contexts.
form of discussion
Shifts the focus to the mode or method of discussion rather than the subject itself.
area of study
Implies an academic or investigative approach to the topic.
field of inquiry
Suggests a more formal and structured investigation into the subject.
class of problem
Frames the topic as a problem to be solved, implying a specific focus and approach.
variety of theme
Highlights the diversity within the overarching theme.
aspect of the matter
Focuses on a particular facet or angle of the subject under consideration.
FAQs
How can I use "type of topic" in a sentence?
You can use "type of topic" to categorize or specify the kind of subject being discussed. For example, "This research explores the type of topic that is often overlooked in environmental studies."
What is a more formal alternative to "type of topic"?
More formal alternatives include "nature of the subject", "area of focus", or "field of inquiry". For example, instead of "the type of topic", you might say "the nature of the subject".
Is there a difference between "type of topic" and "category of topic"?
While similar, "category of topic" might imply a more structured or defined classification system, whereas "type of topic" is a more general descriptor.
When is it appropriate to use "type of topic" in writing?
It's appropriate when you need to broadly categorize or classify a subject area. However, avoid overuse and consider synonyms for variety and clarity. If the topic is of sensitive nature, consider the context before choosing a "type of topic".
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
77%
Authority and reliability
4.1/5
Expert rating
Real-world application tested