单词 | zeolites |
释义 | zeolite /zēˈō-līt/nounAny of a large group of alumino-silicates of sodium, potassium, calcium and barium, containing very loosely held water which can be removed by heating and regained by exposure to a damp atmosphere ORIGIN: Gr zeein to boil (in allusion to the fact that many swell up when heated with a blowpipe), and lithos a stone zeolitic /-litˈ/ adjective zeolitˈiform adjective zeolite process noun A water-softening process using zeolites (formerly zeolites occurring naturally, now synthetic ones) |
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