decomposition
/,di:kɔmpə'ziʃn/
Học thuậtThân thiện
Definition
- Noun:
- The process of decaying or rotting: "Decomposition" refers to the natural breakdown of organic matter by bacteria, fungi, or other biological agents, resulting in a state of decay.
- The separation into constituent parts: In chemistry and mathematics, "decomposition" describes the process of breaking down a compound, substance, or mathematical entity into simpler components or elements.
- The state of being decomposed: It can also describe the condition of something that has already undergone decay or breakdown.
Usage and Examples
Biological/Organic Context:
- The decomposition of the fallen leaves enriches the forest soil.
- Forensic scientists study the rate of decomposition to estimate the time of death.
Scientific/Chemical Context:
- The decomposition of water into hydrogen and oxygen can be achieved through electrolysis.
- Thermal decomposition is a common process in many industrial chemical reactions.
Mathematical/Technical Context:
- The problem required the decomposition of the complex function into simpler parts.
- Vector field decomposition is a fundamental technique in fluid dynamics.
Advanced Usage
"Decomposition reaction": A type of chemical reaction where a single compound breaks down into two or more simpler substances.
- The decomposition of limestone (calcium carbonate) into quicklime and carbon dioxide is a classic example.
"Functional decomposition": In systems engineering and computer science, the process of breaking down a complex system into its component functions.
- The first step in designing the software was a thorough functional decomposition.
Variants and Related Words
- Decompose (verb): To decay or to break down into components.
- Organic waste will decompose over time in a compost pile.
- Decomposable (adjective): Capable of being decomposed.
- The material is advertised as fully decomposable within a year.
- Decomposer (noun): An organism, often a bacterium or fungus, that causes decomposition.
- Earthworms are important decomposers in the ecosystem.
Synonyms
- Decay: The process of rotting or decomposition (often used interchangeably in biological contexts).
- Breakdown: A general term for the process of separating into parts or deteriorating.
- Disintegration: The process of losing cohesion or strength and falling apart.
- Putrefaction: Specifically refers to the decomposition of organic matter, often with a focus on the foul odors produced.
Related Phrases and Terms
- Rate of decomposition: The speed at which something decays.
- The rate of decomposition is faster in warm, humid climates.
- Decomposition product: A substance that results from a decomposition process.
- Carbon dioxide is a common decomposition product of many organic materials.
Notes on Meaning
- The core concept of "decomposition" is a process of breaking down. The specific meaning depends heavily on context:
- In biology/ecology, it implies organic decay and recycling of nutrients.
- In chemistry, it is a precise type of reaction where a compound splits.
- In mathematics/computer science, it is an analytical technique for simplification.
- The word often carries a neutral or natural scientific connotation, though in everyday use for organic matter, it can have negative associations with smell and unattractive appearance.
Noun
- the organic phenomenon of rotting
- (biology) the process of decay caused by bacterial or fungal action
- (chemistry) separation of a substance into two or more substances that may differ from each other and from the original substance
- in a decomposed state
- the analysis of a vector field