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  • Zeolite — e o*lite, n. [Gr. ? to boil + lite: cf. F. z[ e]olithe.] (Min.) A term now used to designate any one of a family of minerals, hydrous silicates of alumina, with lime, soda, potash, or rarely baryta. Here are included natrolite, stilbite,… …   The Collaborative International Dictionary of English

  • zeolite — [zē′ə līt΄] n. [Swed zeolit < Gr zein, to boil (see YEAST): from its swelling up when heated] 1. any of a large group of natural hydrous aluminum silicates of sodium, calcium, potassium, barium, etc., chiefly found in cavities in igneous rocks …   English World dictionary

  • Zeolite — Zeolites (Greek, zein , to boil ; lithos , a stone ) are hydrated aluminosilicate minerals and have a micro porous structure. The term was originally coined in the 18th century by a Swedish mineralogist named Axel Fredrik Cronstedt who observed,… …   Wikipedia

  • zéolite — zéolithe ou zéolite [ zeɔlit ] n. f. • 1783, 1756; du gr. zeô, zein « bouillonner » et lithe ♦ Minér. Silicate naturel hydraté dont les gisements se rencontrent surtout dans les cavités des laves basiques. Zéolithes artificielles. ● zéolite ou… …   Encyclopédie Universelle

  • zeolite — zeolitic /zee euh lit ik/, adj. /zee euh luyt /, n. Mineral. 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… …   Universalium

  • Zeolite — Zéolithe Zéolithe …   Wikipédia en Français

  • Zéolite — Zéolithe Zéolithe …   Wikipédia en Français

  • zeolite — Any of a large family of crystalline metal oxide materials characterized by the presence of extensive regular interconnected pore systems. Most are based on mixtures of aluminum and silicon oxides, while others have phosphorous and other elements …   Petroleum refining glossary

  • zeolite — noun Etymology: Swedish zeolit, from Greek zein to boil + o + Swedish lit lite, from French lite more at yeast Date: circa 1777 any of various hydrous silicates that are analogous in composition to the feldspars, occur as secondary minerals in… …   New Collegiate Dictionary

  • zeolite — an ammonia removing, ion exchange resin used in freshwater aquaria. It also can act biologically and mechanically. Does not last long and must be regenerated by soaking in a strong salt solution for a day. Particularly useful for temporary… …   Dictionary of ichthyology

  • zeolite — noun Any of several minerals, aluminosilicates of sodium, potassium, calcium or magnesium, that have a porous structure; they are used in water softeners and in ion exchange chromatography …   Wiktionary