Definition
diatomite
noun
- A light, porous sedimentary rock composed of the fossilized remains of diatoms, used as an abrasive, filter, and insulator.
Usage: Also called diatomaceous earth or kieselguhr.; Common in industrial and scientific applications.
Examples
- Diatomite is widely used in water filtration systems because of its porous structure.
- The powder from diatomite deposits is an effective natural insecticide.
- Industrial manufacturers rely on diatomite as a mild abrasive in toothpaste and polishing compounds.
- Diatomite's low density makes it valuable as a thermal insulator in construction materials.
- The geologist identified the white sediment as diatomite based on the microscopic diatom shells it contained.