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 principal point
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a principal point" is correct and usable in written English.
It can be used when referring to a main or key idea in a discussion, argument, or presentation. Example: "The speaker emphasized a principal point during the lecture that resonated with the audience."
✓ Grammatically correct
Science
News & Media
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
3 human-written examples
A principal point of this study was to investigate reactivity effects with fuel relocation under three-dimensional core representation including control rods.
Science
where [ X,Y,Z] is a 3D vertex point of cyber-information, [ R|T] is the estimated rotation matrix and translation vector, [ f x,f y ] is the focal lengths expressed in pixel units, [ c x,c y ] is a principal point, and [ x,y] is the resulting projected point in pixels.
Science
A principal point is that these kinds of gaps shed light on the circumstances under which ties have been severed, the limits of connectivity between groups, [ 5] and social space across which people need to negotiate[ 15].
Science
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
Congress should create a single, principal point of oversight and review for homeland security.
News & Media
The 9/11 commission urged Congress to "create a single, principal point of oversight and review for homeland security".
News & Media
The 9/11 Commission recommended that Congress create "a single, principal point of oversight and review for homeland security".
News & Media
A cycle of accountability could be yet further strengthened by creating in Congress a single, principal point of oversight and review for decisions about war.
News & Media
They traversed the country, giving exhibition drills at all principal points, and eliciting everywhere the highest commendation from most competent authorities.
News & Media
In 1749 Maria Theresa launched an ambitious program of administrative reforms; its principal point was a closer union of the Bohemian crown land with the Alpine provinces in order to create a fiscally more efficient unit.
Encyclopedias
Yet the truth is it is only a guide; and the principal point remains.
News & Media
To facilitate this, the glass is prepared in the same size as the photograph itself (23 x 23 centimeters) and a line cross is laid out on the principal point, in a north/south and east/west direction up to the margin of the glass.
Expert writing Tips
Best practice
Use "a principal point" to clearly introduce a central idea or key argument in your writing. It adds emphasis and signals importance to the reader.
Common error
Avoid using "a principal point" excessively, as it can make your writing sound repetitive. Vary your phrasing by using synonyms like "a key aspect" or "a central idea" to maintain reader engagement.
Source & Trust
85%
Authority and reliability
4.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a principal point" functions as a noun phrase, typically serving as a subject complement or an object of a preposition. Ludwig AI confirms its use in various contexts to introduce or emphasize key ideas. The phrase helps to identify the most important aspect of a topic or argument.
Frequent in
Science
33%
News & Media
33%
Encyclopedias
11%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "a principal point" is a grammatically correct and usable phrase that serves to emphasize a key idea or argument. Ludwig AI analysis of various sources confirms its validity, although it is relatively rare in occurrence. When writing, consider using this phrase to clearly signal the most important aspect of your topic, and be mindful of overusing it. Alternatives such as "a key aspect" or "a central idea" can offer variety. The phrase is suitable for neutral to formal contexts, frequently appearing in science and news media.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a key aspect
Focuses on a specific element or feature.
a major consideration
Emphasizes the importance of thinking about something.
a central idea
Highlights the core concept or theme.
a critical element
Stresses the importance of a necessary part.
a focal point
Highlights the area of interest or activity.
a significant factor
Underscores the influence of a contributing element.
a primary concern
Indicates the most important worry or issue.
a main argument
Focuses on a position or claim being defended.
a crucial detail
Highlights the importance of a specific piece of information.
a vital component
Stresses the essential nature of a constituent part.
FAQs
How can I use "a principal point" in a sentence?
You can use "a principal point" to highlight a key idea or argument. For example, "A principal point of this study is to investigate reactivity effects".
What can I say instead of "a principal point"?
You can use alternatives like "a key aspect", "a central idea", or "a focal point" depending on the context.
Is it better to say "main point" or "principal point"?
"Main point" is generally more common and informal, while "a principal point" is slightly more formal and emphasizes importance. Both are grammatically correct and often interchangeable.
What is the difference between "a principal point" and "a major point"?
Both phrases indicate something important, but "a principal point" suggests a core or foundational idea, whereas "a major point" simply indicates significant importance.
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
85%
Authority and reliability
4.2/5
Expert rating
Real-world application tested