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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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is substantially composed of

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "is substantially composed of" is correct and usable in written English.
It can be used to describe the primary components or materials that make up something, often in a formal or technical context. Example: "The new building is substantially composed of recycled materials to promote sustainability."

✓ Grammatically correct

Science

News & Media

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

1 human-written examples

In fact, the peak with high protein conservation is substantially composed of cytoplasmic ribosomal proteins, while the peak with lower protein conservation mainly comprises nuclear-encoded mitochondrial ribosomal proteins (Additional file 9).

Human-verified similar examples from authoritative sources

Similar Expressions

59 human-written examples

Said to be substantially composed of returning mercenaries from Qaddafi's Libya, the MNLA emerged last fall as the latest separatist movement pitting Tuaregs, who are Arab-Berber pastoralists of the sort romanticized in SUV names (cf. Cherokees), against the sedentary and much more densely populated black-African south.

News & Media

Vice

Grade six classes were substantially composed of students aged 10 and 11 years old.

Although scholars disagree over the exact date of its composition, it is certain that it was substantially composed before Locke fled to Holland.

The "Google experience" is substantially different outside of Mountain View.

News & Media

TechCrunch

We interpret these data to mean that although the unselected library is not composed of a random population of unique DNA sequences as is often assumed in SELEX the selection process nonetheless substantially modifies the DNA pool.

The island is mainly composed of marble.

Software is essentially composed of mathematical algorithms.

News & Media

TechCrunch

It is mainly composed of Jurassic limestone.

(Natural gas is mainly composed of methane).

News & Media

Huffington Post

But the rest of the commercial is substantially misleading.

News & Media

The New York Times
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Expert writing Tips

Best practice

Use "is substantially composed of" when you want to emphasize that a significant portion, but not necessarily the entirety, of something is made up of certain components. This phrase works well in formal and technical writing.

Common error

Avoid using "is substantially composed of" in informal writing or conversations, as it can sound overly formal or stilted. Opt for simpler alternatives like "is mostly made of" or "is mainly comprised of" in less formal settings.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

77%

Authority and reliability

4.3/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "is substantially composed of" functions as a linking verb phrase that identifies the essential components of a subject. According to Ludwig AI, this expression is usable in written English and appears to convey a formal tone when describing the primary materials or constituents of something.

Expression frequency: Uncommon

Frequent in

Science

38%

News & Media

25%

Encyclopedias

13%

Less common in

Wiki

10%

Formal & Business

8%

Reference

6%

Ludwig's WRAP-UP

In summary, the phrase "is substantially composed of" is a grammatically correct way to describe the main constituents of something, often in formal contexts. Ludwig AI confirms its usability in written English. While not overly common, it's frequently found in scientific and news-related content. If you're aiming for a less formal tone, consider alternatives like "is mainly made up of" or "is largely composed of". When using this phrase, ensure it fits the overall formality of your writing.

FAQs

What does "is substantially composed of" mean?

The phrase "is substantially composed of" means that something is largely or significantly made up of certain elements or materials. It suggests that those elements form a major part of the whole, although not necessarily all of it.

When is it appropriate to use "is substantially composed of"?

This phrase is suitable for formal writing, technical reports, or academic papers where precision and a degree of formality are desired. It's often used to describe the makeup of objects, substances, or systems.

What can I say instead of "is substantially composed of"?

You can use alternatives like "is mainly made up of", "is primarily composed of", or "is largely composed of" depending on the specific context and desired level of formality.

Is "composed of" the same as "is substantially composed of"?

"Composed of" simply indicates what something is made of. Adding "substantially" emphasizes that the mentioned components form a major or significant portion of the whole. If you say "the pizza is composed of dough, tomato sauce and mozzarella" it means that these 3 components are the only components of the pizza. If you say "the pizza is substantially composed of dough, tomato sauce and mozzarella" it means that these components are the main components, but other ingredients may be present.

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Most frequent sentences: