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noun B2 Upper-Intermediate Uncommon

decomposition

dee-kom-puh-ZIH-shuhn

Decomposition (noun) means the natural biological breakdown of organic matter, such as into compost. Example: “Decomposition of the leaf litter took several months.”

noun
1
The natural biological breakdown of organic matter, such as into compost.
"Decomposition of the leaf litter took several months."
2
The act of breaking something down into its parts for closer study.
"The report begins with a decomposition of the company's revenue streams."
3
The splitting of something (a matrix, molecule, or number) into its basic constituent parts, especially in mathematics or science.
"Engineers used matrix decomposition to simplify the calculation."

How to use decomposition

Learner’s notes

In plain EnglishThe breaking-down of something — organic rot, or, more abstractly, splitting a thing into its parts for analysis.

Common pairings
stage of decomposition decomposition of a matrix rate of decomposition

Word forms

decompositions plural

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Fill the gap

Can you complete this real example?

_____ of the leaf litter took several months.

Etymology

From de- + composition, mirroring French décomposition.

Origin: French

decay rot rotting disintegration putrefaction vector decomposition decomposition reaction chemical decomposition reaction

Related words

Rhymes for decomposition

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Frequently asked questions

What does “decomposition” mean?

The word “decomposition” means the natural biological breakdown of organic matter, such as into compost. In plain terms, the breaking-down of something — organic rot, or, more abstractly, splitting a thing into its parts for analysis.

How do you pronounce “decomposition”?

“Decomposition” is pronounced dee-kom-puh-ZIH-shuhn (/diːˌkɒmpəˈzɪʃən/ in IPA).

How do you use “decomposition” in a sentence?

Here is “decomposition” used in a sentence: “Decomposition of the leaf litter took several months.”

What part of speech is “decomposition”?

“Decomposition” is a noun.

Where does the word “decomposition” come from?

The word “decomposition” comes from French. From de- + composition, mirroring French décomposition.

Is “decomposition” a common word?

“Decomposition” is an uncommon word in modern English, usually learned at around the B2 level.

How many meanings does “decomposition” have?

“Decomposition” has 3 distinct senses listed in this dictionary. The most common is: the natural biological breakdown of organic matter, such as into compost.

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Definitions: FreeDict original editorial