function is

USAGE SUMMARY

The phrase "function is" is correct and can be used in written English.
It expresses the concept that something performs or fulfills a particular role or purpose. For example: "The function of this device is to measure temperature."

✓ Grammatically correct

News & Media

Encyclopedias

Science

Wiki

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

The function is growth.

Independent

His function is objective.

Encyclopedia Britannica

"Function is fluid".

The New York Times

Their function is twofold.

The Economist

Its function is twofold.

Encyclopedia Britannica

"The function is different.

The Guardian - Books

"Function is incidental".

The New York Times

Its function is lost.

The New York Times - Health

Every continuous function is integrable.

Encyclopedia Britannica

Their function is not known.

The New York Times - Science

Unfortunately, the search function is unpredictable.

The New York Times - Tech

Expert writing Tips

Best practice

When describing the "function is" of a complex system, break it down into smaller, more understandable components to ensure clarity.

Common error

Be specific when defining a "function is". Avoid vague descriptions that could apply to multiple things.

Linguistic Context

The phrase "function is" typically serves as a copular verb construction to define or describe the role, purpose, or action that something is designed or intended to perform. Ludwig AI confirms its grammatical correctness and common usage.

Expression frequency: Very common

Frequent in

News & Media

38%

Encyclopedias

10%

Science

28%

Less common in

Wiki

7%

Formal & Business

0%

Reference

0%

Ludwig's WRAP-UP

The phrase "function is" is a grammatically sound and widely used construction to define the purpose or role of something. As highlighted by Ludwig AI, it is correct and adaptable across various writing styles, from neutral reporting to more formal academic discourse. Common usage patterns show its prevalence in news media, scientific publications, and encyclopedic entries. While semantically similar phrases like "role is" or "purpose is" can offer nuanced alternatives, understanding the specific context ensures the most appropriate choice. In short, "function is" serves as a clear and effective way to describe intended actions or design purposes.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

role is

This alternative focuses more on the assigned duty or part someone or something plays.

purpose is

This alternative highlights the intended aim or objective of something.

task is

This alternative emphasizes a specific duty or piece of work to be done.

job is

This alternative is more informal and refers to a specific duty or responsibility.

duty is

This alternative suggests a moral or legal obligation.

responsibility is

This alternative highlights the accountability and obligation associated with a role.

operation involves

This alternative focuses on the actions and processes carried out.

mechanism is

This alternative refers to the technical process or system by which something operates or achieves its purpose.

aim is

This alternative concentrates on the goal or desired outcome.

objective is

This alternative specifies a concrete and measurable target.

FAQs

How to use "function is" in a sentence?

Use "function is" to define the primary role or purpose of something. For example, "The "primary function" is to provide support".

What can I say instead of "function is"?

You can use alternatives like "role is", "purpose is", or "task is" depending on the context.

Which is correct, "function is" or "functioning is"?

"Function is" describes the intended purpose, while "functioning is" describes the current state of operation. For example, "The "function is" to cool the engine", and "The "functioning is" currently impaired".

What's the difference between "function is" and "feature is"?

"Function is" refers to the main purpose or role, while "feature is" refers to a specific characteristic or capability. The feature is often a specific part of the function. For example, the function of the phone is communication while the feature is its camera.