adjective
- of, relating to, or composed of diatoms or their fossilized remains
Usage: technical; geology and biology
Examples
- Diatomaceous earth is a fine powder made from the fossilized shells of diatoms.
- The diatomaceous deposits in this region are millions of years old.
- Diatomaceous filters are commonly used in water purification systems.
- Scientists studied the diatomaceous layers to understand ancient ocean conditions.
- Diatomaceous sediments contain valuable information about past climates.