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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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an coherent

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "an coherent" is not correct in English.
It should be "a coherent." You can use "a coherent" when describing something that is logical, consistent, and easy to understand, such as an argument or explanation. Example: "The professor provided a coherent explanation of the complex theory, making it easier for the students to grasp."

⚠ May contain grammatical issues

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

2 human-written examples

Figure 2 Numerical simulation of an coherent storage of a single photon in the system of an emitter and a nanotip.

There is a need to identify and then include the key components of the clinical intervention in an coherent evidence-based structure.

Human-verified similar examples from authoritative sources

Similar Expressions

57 human-written examples

You can't win an election without a coherent message.

News & Media

The New York Times

Sometimes it was a substitute for a coherent plot.

Imagine that, a man with a coherent plan.

News & Media

The New York Times

Finally, a strategy is a coherent marketing direction.

News & Media

Forbes

A leaderless group always will have trouble generating a coherent strategy and executing a coherent military operation.

News & Media

Huffington Post

b) It's a "coherent program," not a "catch phrase".

News & Media

The New York Times

And the ban is a coherent feature of a concept.

Science

SEP

A high score implies a coherent expression.

Science

BMC Cancer

"A candidate for president needs a coherent set of policies.

News & Media

Huffington Post
Show more...

Expert writing Tips

Best practice

Always use "a" before consonant sounds and "an" before vowel sounds. Since "coherent" starts with a consonant sound, the correct article is "a".

Common error

Avoid using "an" before words that start with a consonant sound, even if the first letter is a vowel. Remember it is about the sound, not the letter. For example, "an hour" is correct because "hour" starts with a vowel sound.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

88%

Authority and reliability

2.2/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "an coherent" is an example of incorrect article usage. In English grammar, the choice between "a" and "an" depends on the phonetic sound that follows the article. "Coherent" begins with a consonant sound, thus requiring the article "a" instead of "an". Ludwig AI highlights this grammatical error.

Expression frequency: Rare

Frequent in

News & Media

50%

Science

50%

Formal & Business

0%

Less common in

Academia

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

The phrase "an coherent" is grammatically incorrect because the adjective "coherent" begins with a consonant sound, necessitating the use of the article "a". As highlighted by Ludwig AI, the correct form is "a coherent". While instances of "an coherent" appear in some sources, they represent errors in article usage. To maintain clarity and grammatical accuracy, it's essential to use "a" before words beginning with consonant sounds. Alternative phrases, such as "a logical" or "a clear", can be used to convey similar meanings while adhering to correct grammar.

FAQs

How do I properly use the word "coherent" in a sentence?

The word "coherent" describes something logical and consistent. For example, you might say, "The speaker presented "a coherent argument"" or "The plan was "a coherent strategy"."

What's the difference between using "a" and "an" before adjectives?

Use "a" before adjectives that begin with a consonant sound, and "an" before adjectives that begin with a vowel sound. For instance, "a coherent" is correct because "coherent" starts with a consonant sound, while "an unusual" is correct because "unusual" starts with a vowel sound.

Is "an holistic" grammatically correct?

No, "an holistic" is incorrect. Even though "holistic" starts with a vowel, it begins with a consonant sound ('h'), so the correct article is "a holistic".

What are some synonyms for "coherent" that I can use in my writing?

Some synonyms for "coherent" include "logical", "consistent", "clear", and "understandable". Depending on the context, these words can help you express the same idea with slightly different nuances. For example, you might choose "a logical explanation" instead of "a coherent explanation".

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Authority and reliability

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Expert rating

Real-world application tested

Most frequent sentences: