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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
core
Grammar usage guide and real-world examplesUSAGE SUMMARY
"core" is a correct and usable word in written English.
You can use it to refer to the most important or essential part of something, such as an idea, argument, or system, or as a noun meaning the central or innermost part of something. For example: "The core principles of the company's values are integrity, respect, and innovation."
✓ Grammatically correct
Academia
Formal & Business
News & Media
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
"Although the investigation is in its early stages, we will take action to protect the public if we uncover evidence that could affect the safety of other rides at the park or elsewhere".
News & Media
"Extending Ofcom's powers to enable it to take pre-emptive action would move it from its current position as a post-transmission regulator into the role of censor".
News & Media
"We lose core user after core user by not addressing simple trolling issues that they face every day".
News & Media
Any attack on that and I do fear it would result in industrial action".
News & Media
They are seen as fetters on our freedom of action and finances, but doing little to moderate the behaviour of irresponsible states or to assist our wellbeing as a nation".
News & Media
You must take legal action now or you may lose the opportunity to do so due to future legal obstacles".
News & Media
"Those who oppose this sort of action need to think about what they are condoning".
News & Media
"I took this action because I want to make it perfectly clear: I was born in America and I am a proud American citizen.
News & Media
But our core voters turned out.
News & Media
Action speaks louder than words.
News & Media
The role of business in development hub is funded by Business Call to Action.
News & Media
Expert writing Tips
Best practice
When using "core", ensure the context clearly defines what is being referred to as the most essential or fundamental element. Be specific to avoid ambiguity.
Common error
Avoid using "core" vaguely. Always specify what the "core" refers to, such as "core values", "core principles", or "core business functions", to provide clarity.
Source & Trust
60%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The word "core" functions as both a noun and an adjective. As Ludwig AI suggests, it describes the most essential, central, or fundamental part of something. The specific meaning depends on the context in which it's used.
Frequent in
Science
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News & Media
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Formal & Business
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Less common in
Science
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News & Media
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Formal & Business
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Ludwig's WRAP-UP
In summary, the word "core" serves as both a noun and an adjective, denoting the most essential, central, or fundamental aspect of something. As Ludwig AI indicates, it's a grammatically correct and versatile term suitable for diverse contexts, though specifying what the "core" refers to enhances clarity. While the term is missing from Ludwig's examples, alternatives like "essence", "heart", and "foundation" can provide similar meaning depending on context. Ensuring that usage is precise and contextualized will allow effective communications.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
essence
Focuses on the intrinsic nature or quality of something.
heart
Implies the most vital or central part, often with emotional connotations.
nucleus
Refers to the central part around which other parts are gathered.
crux
Highlights the decisive point or essential feature.
foundation
Emphasizes the underlying basis or principle.
bedrock
Indicates a fundamental and unyielding basis.
cornerstone
Signifies an essential and indispensable element.
center
Denotes the middle or central point.
basis
Refers to the underlying principle or support.
gist
Highlights the main point or essence of something.
FAQs
How to use "core" in a sentence?
The word "core" can be used to describe the most important part of something, like "The "core values" of our company are integrity and innovation" or "The Earth's "inner core" is made of iron and nickel".
What can I say instead of "core"?
You can use alternatives like "essence", "heart", or "foundation" depending on the context.
Which is correct, "core" or "main"?
Both "core" and "main" are correct, but they have slightly different meanings. "Core" implies the most essential or fundamental part, while "main" simply means the most important or principal part. Use "core" when emphasizing centrality and indispensability.
What's the difference between "core" and "fundamental"?
"Fundamental" refers to something that serves as a necessary base or principle. "Core" refers to the central and most important part of something, often built upon fundamental principles. They are often interchangeable, but "core" has a stronger sense of centrality.
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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
60%
Authority and reliability
3.8/5
Expert rating
Real-world application tested