| 单词 | desiccation | 
| 释义 | desiccation [´des·ǝ`kā·shǝn]  HYDROLOGY The permanent decrease or disappearance of water from a region, caused by a decrease of rainfall, a failure to maintain irrigation, or deforestation or overcropping.  SCIENCE AND TECHNOLOGY Thorough removal of water from a substance, often with the use of a desiccant.  | 
	
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