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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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a core

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "a core" is correct and usable in written English.
It can be used to refer to the central or most important part of something, often in discussions about concepts, ideas, or physical objects. Example: "At the heart of our strategy is a core commitment to sustainability."

✓ Grammatically correct

News & Media

Science

Wiki

Human-verified examples from authoritative sources

Exact Expressions

56 human-written examples

He's a core piece.

That's a core value".

News & Media

The New York Times

"I have a core.

News & Media

The New York Times

He has a core agenda.

News & Media

The New York Times

Integrity is a core value.

News & Media

The New Yorker

It is a core problem.

News & Media

The New York Times

"It's a core function.

News & Media

The Guardian

It's a core demographic.

A core of twenty or so.

News & Media

The New Yorker
Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

2 human-written examples

Mr. Caywood is a core-member choreographer.

Resilience is a core skill.

News & Media

Huffington Post

Expert writing Tips

Best practice

When using "a core", ensure that the noun it modifies is clearly defined and understood in the context. For instance, specify "a core principle" rather than just "a core" to enhance clarity.

Common error

Avoid using "a core" too frequently in abstract discussions without providing concrete examples or clear definitions. Overusing it can dilute its impact and make your writing vague.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

87%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "a core" functions primarily as a noun phrase, often serving as a subject complement or object of a preposition. It identifies something as fundamental or essential, as seen in the Ludwig examples like "Integrity is a core value" or "He's a core piece".

Expression frequency: Very common

Frequent in

News & Media

63%

Science

13%

Wiki

12%

Less common in

Formal & Business

4%

Academia

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "a core" is widely used to denote something fundamental or essential. As confirmed by Ludwig, it is grammatically sound and versatile, fitting various contexts from news and media to scientific discussions. While "a core" is generally neutral in tone, it's best used with clear and specific nouns to avoid vagueness. Alternatives like ""a central element"" or ""a key component"" can offer greater precision depending on the intended meaning.

FAQs

How can I use "a core" in a sentence?

You can use "a core" to describe something fundamental or essential. For example, "Integrity is "a core value"" or "He is "a core piece" of the team".

What are some alternatives to "a core"?

Alternatives include "a central element", "a key component", or "a fundamental aspect", depending on the specific context.

Is it correct to say "core" without the article "a"?

While "core" can be used as an adjective (e.g., "core values"), using "a core" as a noun phrase requires the article. Saying just "core" in many contexts might sound incomplete or grammatically awkward.

What is the difference between "a core principle" and "a key principle"?

"A core principle" implies a foundational, essential belief or guideline. "A key principle" emphasizes its importance and significance, but not necessarily its fundamental nature.

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Source & Trust

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Authority and reliability

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Expert rating

Real-world application tested

Most frequent sentences: