What does zeolite mean?
Zeolite names a large group of porous aluminosilicate minerals and their synthetic counterparts. Naturally occurring zeolites form in volcanic rocks and in cavities or altered feldspars, and their distinctive crystalline frameworks can contain water and exchangeable ions. These properties make zeolites valuable in water treatment, catalysis, gas separation, and adsorption. In household detergents, zeolite replaces some traditional water-softening ingredients by trapping calcium and magnesium ions. Industrial zeolites may also act as molecular sieves, admitting selected molecules while excluding others. The term is technically specialized, but it has become familiar through its practical role in detergents and pollution-control systems. Its combination of geological origins, precise microscopic structure, and useful industrial behavior makes zeolite an unusually versatile material. The word also preserves an early description of its behavior: when heated, a zeolite loses its water, allowing it to be rehydrated and used again.
nounA member of a group of hydrated aluminosilicate minerals and synthetic materials with a porous crystalline framework. Zeolites are used as molecular sieves, ion-exchange media, catalysts, and water-softening agents.
- A naturally occurring aluminosilicate mineral belonging to a large group of porous crystalline minerals, commonly formed in volcanic rocks and altered feldspars.
- A synthetic material with a zeolite-like crystalline framework, especially one used as an adsorbent, ion-exchange medium, catalyst, or molecular sieve.
"The mineral was identified by its distinctive crystalline structure and its ability to absorb water when heated."
"The geologist collected several zeolites from cavities in the basalt."
"The detergent contains zeolite, which binds calcium and magnesium ions in hard water."
The plural is used for individual minerals belonging to the zeolite group and for synthetic zeolite materials.
"Different zeolites have different pore sizes and chemical properties."
Its name combines Greek roots meaning “to boil” and “stone,” reflecting the way zeolites release water when heated.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of zeolite
The name zeolite was coined by the Swedish chemist Axel Fredrik Cronstedt from Greek roots associated with zein, “to boil,” and lithos, “stone.” The name refers to the mineral's behavior when heated, when it releases water. The lithos element connects zeolite with other English words derived from the same Greek root for stone, including lithic, lithosphere, lithology, and megalith.
Related word forms
How zeolite is actually used
Zeolite is a specialized scientific and technical term, used in geology, mineralogy, chemistry, environmental science, and water treatment. It is not normally used in general conversation.