What does kieselguhr mean?
Kieselguhr, also known as diatomite or diatomaceous earth, is a type of sedimentary rock formed from the fossilized remains of microscopic aquatic organisms called diatoms. It is characterized by its porous and powdery texture, making it useful for various industrial applications, including filtration, insulation, and as a mild abrasive. Kieselguhr is often used in water treatment plants to remove impurities and contaminants from drinking water supplies. Its unique properties also make it a valuable resource in the production of cement, concrete, and other construction materials. Overall, kieselguhr is a versatile and important substance with a range of practical uses.
nounA type of sedimentary rock composed of the fossilized remains of microscopic aquatic organisms, used as a filter and in various industrial applications.
- A porous, powdery sedimentary rock.
- A substance used for filtration and insulation.
"The water treatment plant used kieselguhr to filter out impurities from the drinking water supply."
"The factory used kieselguhr to insulate their pipes."
"The science teacher showed her students a sample of kieselguhr under the microscope."
Rarely used, mostly in technical or scientific contexts.
"The laboratory stored several samples of kieselguhrs for comparative analysis."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of kieselguhr
The term 'kieselguhr' originates from the German words 'Kiesel', meaning 'pebble' or 'flint', and 'Guhr', meaning 'ooze' or 'slime'. This refers to the rock's composition of fossilized diatom skeletons and its sedimentary nature. The English term 'diatomite' is also used to describe this substance, highlighting its connection to the diatom algae from which it is derived.
How kieselguhr is actually used
Formal and technical contexts, often used in industries such as water treatment, construction, and manufacturing.