单词 | zeolite |
释义 | zeolite[ zee-uh-lahyt ] / ˈzi əˌlaɪt / noun Mineralogy.any of a group of hydrated silicates of aluminum with alkali metals, commonly occurring as secondary minerals in cavities in basic volcanic rocks: used for their molecular sieve properties because they undergo dehydration with little or no change in crystal structure. Origin of zeolite1770–80; <Greek ze(în) to boil + -o- + -lite OTHER WORDS FROM zeoliteze·o·lit·ic [zee-uh-lit-ik], /ˌzi əˈlɪt ɪk/, adjectiveWords nearby zeoliteZeno, Zenobia, Zeno of Citium, Zeno of Elea, Zeno's paradox, zeolite, Zeph., Zephaniah, Zephiran, zephyr, zephyranthes Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for zeoliteBritish Dictionary definitions for zeolitezeolite / (ˈziːəˌlaɪt) / nounany of a large group of glassy secondary minerals consisting of hydrated aluminium silicates of calcium, sodium, or potassium: formed in cavities in lava flows and plutonic rocks any of a class of similar synthetic materials used in ion exchange and as selective absorbentsSee molecular sieve Derived forms of zeolitezeolitic (ˌziːəˈlɪtɪk), adjectiveWord Origin for zeolitec18: zeo-, from Greek zein to boil + -lite; from the swelling up that occurs under the blowpipe Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for zeolitezeolite [ zē′ə-līt′ ] Any of a family of hydrous aluminum silicate minerals, whose molecules enclose cations of sodium, potassium, calcium, strontium, or barium. Zeolites are usually white or colorless, but they can also be red or yellow. They are characterized by their easy and reversible loss of water of hydration. They usually occur within cavities in basalt. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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