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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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is expressed as

Grammar usage guide and real-world examples

USAGE SUMMARY

"is expressed as" is correct and usable in written English.
It is typically used to define something, or to provide clarification on how something is written or represented. For example: The slope of the line can be expressed as y = 2x + 3.

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Tranquillity is expressed as a horizontal line.

First, Vega is expressed as a dollar change.

This is expressed as the cost per thousand adults.

News & Media

The Guardian

In Yiddish, this feeling is expressed as shpilkes.

Next, the (Vclimbsinγ) term is expressed as ROC.

Science & Research

Nature

BMI is expressed as mass (kg)/(height (m))2.

Science & Research

Nature

The figure is expressed as a proportion of men's earnings.

News & Media

The Guardian

The activity is expressed as percentage of the control.

Science & Research

Nature

Level of viremia is expressed as TCID50 per million PBMCs.

Science & Research

Nature

Let denote the average rate that flow receisexpressed window, while denotes the requested aserage rate.

This is expressed as (4).

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Expert writing Tips

Best practice

Use "is expressed as" to clearly define terms or explain how a concept is represented, ensuring clarity and precision in your writing. For complex subjects, provide the full mathematical or symbolic expression to avoid ambiguity.

Common error

While "is expressed as" is useful for formal definitions, avoid using it in simple sentences where a more direct verb like "is" or "equals" would suffice. Overusing it can make your writing sound unnecessarily complex.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

83%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "is expressed as" serves as a linking verb indicating how something is represented or defined. It often connects a concept to its symbolic or mathematical representation. Ludwig AI confirms its accurate and standard usage.

Expression frequency: Very common

Frequent in

Science

75%

News & Media

15%

Formal & Business

10%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "is expressed as" is a versatile linguistic tool, primarily functioning as a linking verb to define or represent concepts, particularly in technical and formal writing. As noted by Ludwig AI, the phrase follows standard grammar rules and has a high frequency of use across various domains, especially science and news media. When writing, be mindful to use it when precision is needed and avoid overuse in simple sentences. Some alternatives are is represented by or is defined as.

FAQs

How can I use "is expressed as" in a sentence?

Use "is expressed as" to clarify how a concept or value is represented, particularly in mathematical, scientific, or technical contexts. For example, "The area of a circle is expressed as πr²."

What are some alternatives to "is expressed as"?

You can use alternatives such as "is represented by", "is defined as", or "is denoted by" depending on the specific context and the level of formality required.

Is it always necessary to include a formula when using "is expressed as"?

While not always required, providing a formula or symbolic representation after "is expressed as" enhances clarity, especially in technical writing. If the representation is straightforward, it may not be necessary.

Can "is expressed as" be used in non-technical writing?

Yes, while commonly used in technical contexts, "is expressed as" can also be used in general writing to explain how an idea or concept is conveyed. For example, "Gratitude is expressed as appreciation for the help received."

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Source & Trust

83%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: