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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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Classified under

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "Classified under" is correct and usable in written English.
It can be used when categorizing or organizing information, items, or data into specific groups or classifications. Example: "The documents are classified under confidential materials due to their sensitive nature."

✓ Grammatically correct

Science

News & Media

Academia

Encyclopedias

Wiki

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

How is a search engine classified under the statute?

Coconut shell concrete can be classified under structural lightweight concrete.

This sort of problems can be classified under Configuration Problem.

HOW were different Islamic groups classified under Mr. Mubarak's rule?

News & Media

The New York Times

The results confirm why the original novel is classified under Young Adult in my local library.

News & Media

The New York Times

He was classified under IB, which means "deferred-fit only for limited military service".

News & Media

The New Yorker

This is, however, highly unusual, and could also be classified under the general term disgusting.

News & Media

The New Yorker

Articles are classified under various general main subject headings, which are listed alphabetically.

The important methods for synthesizing heterocyclic compounds can be classified under five headings.

Encyclopedias

Britannica

Lapping and honing operations are classified under the basic art of grinding.

Encyclopedias

Britannica

The speed limit for scooters is tied to how they are classified under current law.

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Expert writing Tips

Best practice

When using "classified under", ensure the category is specific and well-defined to avoid ambiguity.

Common error

Avoid classifying items under overly broad or vague categories. For example, instead of "classified under general," use a more descriptive category like "classified under advanced mathematics" or "classified under business strategy".

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

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81%

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4.5/5

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Real-world application tested

Linguistic Context

The phrase "classified under" functions as a verb phrase indicating the act of assigning something to a specific category or classification system. As Ludwig AI highlights, it's a common and accepted way to express categorization in various contexts.

Expression frequency: Very common

Frequent in

Science

40%

News & Media

30%

Academia

10%

Less common in

Encyclopedias

7%

Wiki

7%

Formal & Business

6%

Ludwig's WRAP-UP

The phrase "classified under" is a versatile and grammatically correct way to express categorization, as confirmed by Ludwig AI. It is frequently used across various domains, particularly in science, news media, and academic settings. The phrase indicates that something belongs to a specific category, providing context and organization. While alternatives like "categorized as" or "grouped under" exist, "classified under" often implies a more formal or pre-existing classification system. When using this phrase, ensure the category is well-defined to avoid ambiguity.

FAQs

How can I use "classified under" in a sentence?

You can use "classified under" to indicate the category or group to which something belongs. For example, "This document is classified under confidential materials" or "The patient's condition is classified under stage two hypertension".

What are some alternatives to "classified under"?

Alternatives include "categorized as", "grouped under", "listed within", or "designated as", depending on the specific context.

Which is correct, "classified under" or "classified as"?

"Classified under" indicates the category or system to which something belongs, while "classified as" describes the specific type or nature of something. Both are correct, but they convey different meanings. An example of this: "This item is "classified under" 'urgent'" and "This substance is "classified as" a hazardous material".

What's the difference between "classified under" and "categorized by"?

"Classified under" generally implies a pre-existing system or structure for categorization, while "categorized by" suggests a more flexible or custom categorization method. For example: "Files are "classified under" subject headings", but "Data can be "categorized by" date, relevance, or author".

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Real-world application tested

Most frequent sentences: