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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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are defined

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "are defined" is correct and usable in written English.
It can be used when explaining the meaning or characteristics of a term or concept in a formal or academic context. Example: "In the context of this study, the key terms are defined in the glossary section for clarity."

✓ Grammatically correct

Science

News & Media

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

57 human-written examples

His triceps are defined?

They are defined as refugees.

News & Media

The Economist

Presidential races are defined by moments.

News & Media

The New Yorker

Their desires are defined by that sign".

Thus, acids are defined as proton donors.

Zines are defined by their materiality".

Periodicals are defined by their tempo.

News & Media

The Economist

Lids are defined with taupe shadow.

News & Media

The New York Times

These are defined as consonant triads.

Such fronts are defined as active fronts.

First, two additional horizons are defined.

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Expert writing Tips

Best practice

When using "are defined", ensure that the context clearly indicates what is doing the defining and what is being defined. This helps avoid ambiguity and ensures clarity for the reader.

Common error

Avoid using "are defined" without providing a clear reference or source for the definition. Always ensure that the defined term is explicitly stated or readily understood within the context.

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

4.6/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "are defined" functions as a passive verb construction, indicating that a subject is receiving a definition. Ludwig AI shows that this usage is grammatically correct and widely employed across various contexts.

Expression frequency: Very common

Frequent in

Science

42%

News & Media

32%

Encyclopedias

10%

Less common in

Wiki

4%

Academia

4%

Formal & Business

0%

Ludwig's WRAP-UP

In summary, the phrase "are defined" is a grammatically correct and very common passive verb construction used to establish the meaning of terms or concepts. As confirmed by Ludwig AI, it is frequently employed in formal contexts such as science, news, and encyclopedias. When using "are defined", it's crucial to provide a clear reference for the definition to avoid ambiguity. Alternative phrases include "are characterized" and "are specified", depending on the desired nuance. Its prevalent use across authoritative sources solidifies its validity and utility in academic and professional writing.

FAQs

How can I use "are defined" in a sentence?

The phrase "are defined" is used to explain the meaning or characteristics of a term or concept. For example, "In this study, key terms "are defined" in the glossary."

What phrases are similar to "are defined"?

You can use phrases like "are characterized", "are specified", or "are determined" depending on the specific nuance you want to convey.

When is it appropriate to use "are defined" in writing?

It's appropriate to use "are defined" when you need to provide a formal or explicit meaning of a term or concept, especially in academic, scientific, or technical writing.

What is the difference between "are defined" and "are described"?

"Are defined" implies a precise and formal meaning, while "are described" suggests a more general account or representation. Use "are defined" when precision is essential.

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Source & Trust

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Authority and reliability

4.6/5

Expert rating

Real-world application tested

Most frequent sentences: