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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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an essential function of

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "an essential function of" is correct and usable in written English.
It can be used to describe a crucial role or purpose that something serves within a particular context or system. Example: "Communication is an essential function of any successful organization, as it fosters collaboration and understanding among team members."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

This argues for a functional redundancy and an essential function of both proteins in starvation induced autophagy, at least in response to amino acid withdrawal.

Nevertheless, calling bullshit was then and is now an essential function of media.

News & Media

The Guardian

This, after all, was an essential function of art: to preserve fleeting pleasures, to give permanent form to the perishable.

Destruction by flame has long been an essential function of life down here.

News & Media

The Guardian

That's right: the place where our congressmen go to work out was deemed an essential function of government that had to remain open during this standoff.

Because we are always acquiring new materials — an essential function of any world-class research facility — items must continually be moved offsite to make room.

News & Media

The New York Times

"To succeed against the landlord using the warranty of habitability," Mr. Higgins said, "the tenant must prove that the noise was so excessive that the tenant is deprived of an essential function of the apartment".

News & Media

The New York Times

But where an amino acid substitution affects the active site of an enzyme or modifies in some other way an essential function of a protein, the impact may be severe.

Not only did it serve what should be an essential function of criticism, that of introducing readers to new work, weird work, things they wouldn't ordinarily encounter — a duty no major critic had undertaken consistently since Edmund Wilson quit regular reviewing in the late forties — but, like Wilson's writings, it did so in a notably un-weird manner.

News & Media

The New Yorker

Preheating batteries to room temperature is an essential function of an effective battery management system.

Managing this constant change is an essential function of the people and the organizations that make up health care systems.

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Expert writing Tips

Best practice

When using "an essential function of", ensure that the function you are describing is indeed critical and indispensable to the subject. Avoid overusing the phrase for functions that are merely helpful or beneficial.

Common error

Avoid using "an essential function of" when describing tasks or roles that are not fundamentally necessary. Using stronger language for minor aspects dilutes the impact of the phrase when describing truly critical functions.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "an essential function of" serves to identify and emphasize the critical role or purpose that something fulfills. It highlights the indispensable nature of the function in a given context. Ludwig AI confirms its correctness and usability.

Expression frequency: Very common

Frequent in

Science

55%

News & Media

35%

Formal & Business

5%

Less common in

Encyclopedias

2%

Wiki

1%

Reference

1%

Ludwig's WRAP-UP

In summary, "an essential function of" is a phrase used to underscore the critical and indispensable role that something plays. Ludwig AI validates its grammatical correctness and widespread use across diverse contexts, particularly in science, news media, and formal business settings. When employing this phrase, ensure the function described is genuinely crucial to avoid diluting its impact. Related phrases such as "a crucial role of" or "a vital purpose of" can be used for variety while maintaining semantic similarity.

FAQs

How can I use "an essential function of" in a sentence?

Use "an essential function of" to highlight a critical role or purpose something plays. For example, "Communication is "an essential function of" effective teamwork."

What are some alternatives to "an essential function of"?

Alternatives include "a crucial role of", "a vital purpose of", or "a key component of", depending on the specific nuance you want to convey. Each alternative slightly shifts the emphasis while retaining the core meaning.

Which is correct, "an essential function of" or "a necessary function of"?

Both ""an essential function of"" and "a necessary function of" are grammatically correct. "Essential" implies something is indispensable, while "necessary" indicates something is required. The choice depends on the degree of importance you want to convey.

What's the difference between "an essential function of" and "an important function of"?

"An essential function of" indicates a role that is indispensable or fundamental, while "an important function of" simply means the role is significant but not necessarily crucial. Essential implies a higher degree of necessity.

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Authority and reliability

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Real-world application tested

Most frequent sentences: