| degeneration |
worsening of a condition
출처: www.proteus-uk.org/glossary.html
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|---|---|
| degenerative joint disease |
Arthritis of middle age characterized by degenerative and sometimes hypertrophic changes in the bone and cartilage of one or more joints and a progressive wearing down of opposing joint surfaces with consequent distortion of joint positioning usually without bony stiffening.
출처: www.bauerfeind.co.uk/Glossary.html
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| degradation |
The wearing down of land by the action of the sea or of meteoric agencies. 50
출처: www.bartleby.com/11/104.html
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| degradation |
The decline in a soil's fertility as a result of loss of organic matter, erosion by wind or water, compaction, salinization, contamination, or acidification.
출처: museum.gov.ns.ca/mnh/nature/nhns2/glossary.htm
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| degradation |
The breakdown of a chemical in the environment. Usually occurs via the action of sunlight, temperature, and microorganisms in the soil. This process can transform a toxic chemical into a benign chemical, or can create new, toxic breakdown products.
출처: www.nrdc.org/health/kids/farm/glos.asp
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