英语词汇“percolation”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

单词	percolation
释义	per·co·la·tion \ˌ ̷ ̷ ̷ ̷ˈlāshən\ noun (-s) Etymology: Latin percolation-, percolatio, from percolatus + -ion-, -io -ion 1. a. : the slow passage of a liquid through a filtering medium : leaching, seepage < percolation of water downward through the soil — Russell Lord > b. : a method of extraction or purification by means of filtration < decolorization of lubricating oils by percolation > c. : the process of brewing coffee by causing hot water to pass through it in a percolator d. : the process of extracting the soluble constituents of a powdered drug by passage of a liquid through it 2. : diffusion by gradual spreading or penetration < a gradual percolation of Scandinavian motives into sculpture — O. Elfrida Saunders > < the percolation downward through the whole middle class of the sense of freedom — Roy Lewis & Angus Maude >
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