composed of different parts vs composed by different parts

The correct phrase is 'composed of different parts.' 'Composed of' is the standard construction used to describe the makeup or elements of something. 'Composed by' is not commonly used in this context.

Last updated: March 22, 2024 • 1565 views

composed of different parts

This phrase is correct and commonly used in English.

This phrase is used to describe something that is made up of various parts or elements.

Examples:

The painting is composed of different colors.
The committee is composed of members from various departments.
The book is composed of different chapters.
The team is composed of players with diverse skills.
The necklace is composed of different gemstones.

Show examples from the web [+]

He creates a wealth of different parts.
This sampling plan may consist of different parts for different fisheries.
This single control plan may consist of different parts for different fisheries.
And each butter-fry is composed of different pieces.
MEPs also urge the Mercosur countries to create their own parliament, composed of representatives of different national parliaments.
The colour is composed of different pigments all belonging to the class betalaine.
The active and intelligent materials and articles may be composed of one or more layers, or parts of different types of materials, such as plastics, paper and cardboard or coatings and varnishes.
You know, cannabinoids can actually get absorbed into all sorts of different parts in your body.
Monica, Peter has burns of different degrees on different parts of his body.
It's kind of a long, drawn-out, complicated story, with a bunch of different parts.
The programming will be conducted with the help of a User Group composed of different Commission Services, who will also have recourse, where appropriate, to an independent consultation structure composed of high-level scientific and industrial experts.
You know how a body has a lot of different parts?
We cannot accept Amendments Nos 48 and 189, which are inappropriate for the date of application of different parts of the text.
The fibre composition shall be given for the whole product and, where the product comprises a distinct backing and a use-surface composed of different fibres, may be stated separately for those components.
4. Especially in the case of cross-border projects, coordination of the timing of different parts of the project shall also be taken into account.
And if we record from lots of different neurons, we'll see that different neurons fire when the animal goes in different parts of its environment, like in this square box shown here.
The CoR therefore supports efforts to acquire the statistical evidence about the needs of different parts of the labour market and exchange this information at European level, in order to improve planning and management of labour movement.
The Council's proposal consists of different parts, but as regards the part on the right of deduction, the Council has significantly amended the original Commission proposal.
The rapporteur recognises the importance of technical issues, but would like to stress his disappointment at the lack of any reference to the security level of a system that is made up of different parts.
I am deeply committed to equal opportunities for women everywhere, however, I believe it is crucial that women in different parts of the world can establish their own concept of freedom which takes into account the variety of different cultures and values they hold.

Alternatives:

made up of different parts
consists of different parts
comprised of different parts
constructed of different parts
assembled from different parts

composed by different parts

This phrase is not correct in English. 'Composed by' is not used to describe the makeup or elements of something.

Show examples from the web [+]

They're controlled by different parts of the brain.
The requirements of points 6.2.3 and 6.2.4 may not be respected locally when the valance is composed by different elements with relative movement.
The sound waves produced by the ultrasound equipment can be reflected by different parts of the body, such as the heart.
The CST shall define in particular the minimum safety levels that must be reached by different parts of the railway system and by the system as a whole expressed in risk acceptance criteria for:
Jim Lewis and Jim Springer were identical twins, separated at birth, given up for adoption and raised by different families in different parts of the country, unaware that the other even existed.
The CSTs shall define the safety levels that must at least be reached by different parts of the railway system and by the system as a whole in each Member State, expressed in risk acceptance criteria for:
The CST shall define in particular the safety levels that must be reached by different parts of the railway system and by the system as a whole expressed in terms of risk management criteria for:
A missive composed by thumb can not adequately convey emotion.
The list, composed by Miss Kent, includes three nightdresses.
This next song is composed by A.N.JELL's Hwang Tae-kyung.
The inscription composed by my own unworthy hand, sir.
It reads: Twelve songs composed by Dr. Forrest-Oates.
That song was composed by your father
The poem was composed by an anonymous author.
The lecture is composed by two parts, one theoretical, the other practical.
The Committee shall be composed by representatives of the Community and Pakistan.
The music was composed by Manos Hadjidakis.
So, this is the Lachian Serenade composed by...
George III was arranged and composed by Neil Innes.
We shall now hear the soundtrack composed by Johann Sebastian...

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composed of different parts vs composed by different parts