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
centered primarily on
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "centered primarily on" is correct and usable in written English.
It can be used to indicate the main focus or emphasis of a subject or discussion. Example: "The research project is centered primarily on the effects of climate change on marine biodiversity."
✓ Grammatically correct
Science
News & Media
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
24 human-written examples
Her research focuses on the adoption and sustainability of innovations, development and testing of organization-level interventions, and performance improvement, centered primarily on health care organizations.
News & Media
Andrew Puzder, President Trump's labor secretary nominee, withdrew from consideration Wednesday amid growing resistance from Senate Republicans centered primarily on Puzder's past employment of an undocumented housekeeper.
News & Media
"The state's interest in oil and gas development is centered primarily on the efficient production and utilization of the natural resources in the state," the ruling said.
News & Media
The Bush administration's energy policy, centered primarily on increasing the supply of oil, coal and nuclear power, is shortsighted and misaimed, focusing too much on the wrong fuels and too firmly on supply.
News & Media
Another Republican, Senator Tom Coburn of Oklahoma, said in an interview that he could understand Mr. Obama's frustration; he said that most of the other nominees were noncontroversial and that his concern was centered primarily on Mr. Becker.
News & Media
The acquisition of this collection constitutes the central component of a decade-long program of building Princeton University's numismatic holdings (long centered primarily on classical antiquity) into the premier collection in the world illustrating the interrelations of coinage systems of the medieval Eastern Mediterranean.
Academia
Human-verified similar examples from authoritative sources
Similar Expressions
36 human-written examples
Her research now centers primarily on reducing the disproportionate mental health burden among underserved populations in resource-restricted communities.
Academia
National said the cuts would center primarily on the company's headquarters in Santa Clara, Calif., and would include 560 employees affected by the previously announced closings of some older manufacturing operations.
News & Media
This literature contrasts sharply with the second view of employment relations that centers primarily on economic sociology and new institutional organizational study.
Though it will retain holdings in Platts energy and metal information, Dow Jones indices, and McGraw-Hill Construction, the new company will center primarily on Standard & Poors, the world's largest credit-rating agency and the first to downgrade the U.S. debt rating.
News & Media
Her novels center primarily on medical examiner Kay Scarpetta, along with her tech-savvy niece Lucy and investigator Pete Marino.
News & Media
Expert writing Tips
Best practice
When using "centered primarily on", ensure that the subject you are describing truly has a core focus, and the remaining aspects are secondary. This ensures clarity and accuracy in your writing.
Common error
While acceptable, avoid using "centered primarily on" excessively in formal writing. Vary your phrasing with alternatives like "focused mainly on" or "primarily concerned with" to maintain a sophisticated tone.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "centered primarily on" functions as a prepositional phrase, modifying a noun or verb. It indicates the main point, focus, or subject of something. Ludwig AI's examples show its usage in diverse contexts, affirming its role in specifying primary emphasis.
Frequent in
Science
32%
News & Media
32%
Academia
19%
Less common in
Wiki
10%
Formal & Business
3%
Encyclopedias
2%
Ludwig's WRAP-UP
In summary, the phrase "centered primarily on" is a prepositional phrase used to highlight the main focus or subject of something. Ludwig AI analysis marks the phrase as grammatically correct and commonly used, particularly in science, news, and academic writing. While versatile, writers should be mindful of potential overuse in overly formal contexts, varying their phrasing with alternatives like "mainly focused on" or "primarily concerned with".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
mainly focused on
Replaces "centered primarily" with "mainly focused", changing the verb and adverb while keeping the core meaning of primary focus.
primarily focused on
Removes "centered" maintaining the focus.
chiefly concerned with
Substitutes the entire phrase with "chiefly concerned with", indicating the main area of interest or worry.
primarily concentrated on
Swaps "centered" with "concentrated", emphasizing a focused effort or attention.
largely based on
Replaces "centered primarily" with "largely based", shifting the emphasis to a foundation or basis.
with a primary emphasis on
Inverts the structure to place emphasis at the end, using "with a primary emphasis on".
primarily directed at
Changes "centered primarily on" to "primarily directed at", indicating a target or audience.
mainly revolving around
Uses "revolving around" instead of "centered on", suggesting a central theme or topic.
significantly emphasizes
Replaces the phrase with "significantly emphasizes", highlighting the importance given to a particular aspect.
hinges primarily on
Replaces "centered primarily on" with "hinges primarily on", suggesting dependence or crucial importance.
FAQs
How can I use "centered primarily on" in a sentence?
Use "centered primarily on" to indicate the main point or focus of something. For example, "The project is centered primarily on renewable energy sources".
What are some alternatives to "centered primarily on"?
You can use alternatives such as "mainly focused on", "primarily concerned with", or "largely based on" depending on the specific context.
Is it correct to say "primarily centered on" instead of "centered primarily on"?
While "centered primarily on" is the more common and standard phrasing, "primarily centered on" can also be used, though it might sound slightly less conventional. The best choice depends on the desired emphasis and flow of the sentence.
What's the difference between "centered primarily on" and "focused primarily on"?
"Centered primarily on" suggests that something has a central point around which other aspects are arranged. "Focused primarily on" indicates a deliberate concentration of effort or attention. The choice depends on whether you want to emphasize a central point or a directed effort.
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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested