Biodegradability

Biodegradability (pronunciation: /ˌbaɪoʊdɪˌɡreɪdəˈbɪlɪti/) is the ability of a substance to be decomposed by bacteria or other living organisms.

Etymology

The term "biodegradability" is derived from the prefix "bio-" meaning life, and "degradable" from the Latin "degradare", meaning to reduce to a lower rank or degree.

Definition

Biodegradability refers to the chemical dissolution of materials by bacteria, fungi, or other biological means. The process of biodegradation can be divided into three stages: biodeterioration, biofragmentation, and assimilation.

Related Terms

Biodeterioration: The breakdown of materials by biological means.
Biofragmentation: The process by which a substance is broken down into smaller components by microorganisms.
Assimilation: The process by which organisms incorporate substances into their cells.
Composting: A method of waste disposal where organic waste decomposes under controlled aerobic conditions.
Recycling: The process of converting waste materials into reusable materials and objects.

Importance

Biodegradability is an important characteristic of materials, particularly in the context of environmental sustainability. Materials that are biodegradable are preferable as they can be broken down by natural processes, reducing their impact on the environment.

Testing

There are several methods for testing the biodegradability of a material, including the OECD guidelines for the testing of chemicals, which include a variety of tests for ready and inherent biodegradability.

External links

Medical encyclopedia article on Biodegradability
Wikipedia's article - Biodegradability

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Biodegradability