an expertise

USAGE SUMMARY

The phrase "an expertise" is not correct in standard written English.
The correct form is "expertise" without the article "an," as it is an uncountable noun. Example: "She has expertise in data analysis and machine learning."

⚠ May contain grammatical issues

News & Media

Science

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

56 human-written examples

But his is an expertise, nonetheless.

The New York Times

When does an expertise become a straitjacket?

Independent

Stewart was cultivating an expertise in Islamic finance.

The New Yorker

He developed an expertise in metals and mining stocks.

The New York Times

We have developed an expertise in understanding the terrain.

Independent

"A foundation that is long-term can accumulate an expertise in a set of problems".

The New York Times

When he awakened, he says, he was imbued with an expertise in computer repair.

The New York Times

Human-verified similar examples from authoritative sources

Similar Expressions

4 human-written examples

Paolo Bandini of Serie A expertise fame.

The Guardian - Sport

The characterization form addressed the subjects' expertise concerning: (a) expertise in usability knowledge, (b) expertise in usability evaluation, and (c) expertise in application design.

Journal of Software Engineering Research and Development

An alternative approach would be to conduct an expertise-based randomised controlled trial.

BMJ Open

"The Olympics are both a reputation- and an expertise-builder," says Schroer.

Forbes

Expert writing Tips

Best practice

Remember that "expertise" is an uncountable noun. Therefore, use it without the article "an". For instance, say "He has expertise in this field" instead of "He has an expertise in this field".

Common error

Avoid using the indefinite article "an" before "expertise". "Expertise" functions as an uncountable noun, similar to "information" or "advice", which do not take "a" or "an". To refer to a specific area of skill, use phrases like "a high level of skill" or "a specialization".

Linguistic Context

The phrase "an expertise" functions as a noun phrase, intending to denote a specific area of specialized knowledge or skill. However, this usage is grammatically incorrect. According to Ludwig, the correct form is "expertise" without the article. This is because "expertise" is an uncountable noun.

Expression frequency: Very common

Frequent in

News & Media

35%

Science

30%

Encyclopedias

10%

Less common in

Formal & Business

9%

Wiki

8%

Reference

8%

Ludwig's WRAP-UP

While the phrase "an expertise" is frequently encountered, appearing in diverse sources like The New York Times and TechCrunch, it is grammatically incorrect. As Ludwig AI points out, "expertise" is an uncountable noun and should not be preceded by the indefinite article "an". Instead, use "expertise" without the article, or consider alternative expressions such as "a skill" or "specialized knowledge" to maintain grammatical accuracy and clarity. It’s crucial to adhere to this rule, particularly in formal or professional writing.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

a skill

Replaces "expertise" with a more general term for a learned ability.

a proficiency

Indicates a high degree of competence in a particular area.

a specialization

Focuses on having expertise in a specific, narrow field.

a mastery

Suggests comprehensive knowledge and control over a subject or skill.

specialized skill

Highlights that the skill is very specific and focused.

a command

Emphasizes the ability to effectively use or control something, like a language or tool.

deep knowledge

Indicates thorough and extensive understanding of a subject.

a talent

Highlights a natural aptitude or skill.

a forte

Refers to something at which a person excels.

a knack

Implies an inherent ability or ease in doing something.

FAQs

How to use "expertise" correctly in a sentence?

Use "expertise" as an uncountable noun without the article "a" or "an". For example, "She has a lot of expertise in data analysis" is incorrect. Instead, say "She has expertise in data analysis".

What can I say instead of "an expertise"?

You can use alternatives like "a skill", "a specialization", or "deep knowledge" depending on the context.

Which is correct, "an expertise" or "expertise"?

"Expertise" is correct. "An expertise" is grammatically incorrect because "expertise" is an uncountable noun and doesn't take an indefinite article. Refer to Ludwig AI for more information.

What's the difference between "expertise" and "expert skill"?

"Expertise" refers to the specialized knowledge or skill a person possesses, while "expert skill" describes the high level of proficiency in performing a specific task or activity.