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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
each is composed of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "each is composed of" is correct and usable in written English.
It can be used to describe the individual components that make up a whole or a group. Example: "In the study of ecosystems, each is composed of various species that interact with one another."
✓ Grammatically correct
Science
News & Media
Encyclopedias
Alternative expressions(5)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
13 human-written examples
Each is composed of three or four precisely nested squares.
News & Media
Each is composed of three separate frames, vertically arranged, that put body parts and poses together in slightly disconnected sequence.
News & Media
Each is composed of layers of tracing paper, and each has its own independent visual resonance apart from its value as a document of process.
News & Media
Both have relatively simple and very similar molecular structures; each is composed of nine amino acids arranged as a ring, which is formed by the linkage of two molecules of the amino acid cysteine (a disulfide linkage −S−S−), and a short side chain (Table 2).
Encyclopedias
Everything else comes to be and passes away because each is composed of elements that successively combine to form them and separate at their destruction (B 17.26 35).
Science
We consider three photonic crystals A, B and C, where each is composed of dielectric spheres embedded in a dielectric background material.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
47 human-written examples
Each was composed of people who were bright and outgoing.
News & Media
By this time it had become fashionable to treat the interior columns and ribs as if each was composed of a bunch of more slender parallel members.
Encyclopedias
Each was composed of an index case-patient, followed 19 40 days later by the disease in ≥1 household contact.
Science
Each column is composed of 2-4 lights, each representing a power of two.
Wiki
Each of the full bridges for each coil is composed of four switches.
Expert writing Tips
Best practice
Maintain consistency in your writing by using the same phrase throughout a document when referring to similar compositions. This ensures clarity and avoids unnecessary variation.
Common error
Avoid using "comprising of" instead of "composed of". "Comprising" means including or containing, while "composed of" means made up of. For example, it's correct to say "Each team comprises four members" or "Each team is composed of four members", but incorrect to say "Each team is comprising of four members".
Source & Trust
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "each is composed of" functions as a descriptive phrase, outlining the constituent elements of a subject. Ludwig AI confirms its usability in English.
Frequent in
Science
60%
News & Media
20%
Encyclopedias
10%
Less common in
Academia
5%
Wiki
3%
Formal & Business
2%
Ludwig's WRAP-UP
In summary, "each is composed of" is a grammatically correct and useful phrase for describing the constituent parts of a whole. Ludwig AI confirms its validity. While not extremely common, it appears across various contexts, particularly in scientific, news, and encyclopedia sources. Be mindful of potential errors like using "comprising of" instead. Using alternatives such as "each consists of" or "each is made up of" can provide variety to your writing while maintaining clarity. The phrase serves to inform the audience about the structure or makeup of a particular entity.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
each consists of
Replaces "composed of" with "consists of", maintaining the same meaning but using different vocabulary.
each is made up of
Uses "made up of" instead of "composed of", offering a more informal alternative with identical meaning.
each comprises
Employs "comprises" as a more concise and formal substitute for "is composed of".
each includes
Substitutes "is composed of" with "includes", suggesting that the mentioned elements are part of something, but not necessarily the entirety.
each contains
Replaces "is composed of" with "contains", highlighting the presence of specific elements within each item.
each features
Uses "features" instead of "is composed of", emphasizing notable aspects or components of each item.
each is formed from
Replaces "is composed of" with "is formed from", focusing on the creation or assembly of each element.
each embodies
Substitutes "is composed of" with "embodies", indicating that each item represents or encapsulates certain qualities or elements.
each incorporates
Replaces "is composed of" with "incorporates", suggesting that each item integrates specific components or aspects.
each is structured with
Uses "is structured with" instead of "is composed of", emphasizing the arrangement and organization of the elements.
FAQs
How can I use "each is composed of" in a sentence?
Use "each is composed of" to describe what constitutes a particular item or entity. For example, "Each flower is composed of four different types of floral organs".
What are some alternatives to "each is composed of"?
You can use alternatives like "each consists of", "each is made up of", or "each comprises" to express a similar meaning.
Is it correct to say "each is comprising of" instead of "each is composed of"?
No, "each is comprising of" is incorrect. The correct usage is either "each comprises" or "each is composed of". The phrase "comprising of" is redundant.
What's the difference between "each is composed of" and "each contains"?
"Each is composed of" describes the essential elements that make up something, while "each contains" implies that something has those elements within it, but they may not be its defining components. For example, "Each cell is composed of organelles", whereas "Each room contains furniture".
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested