BioScience Dictionary

 
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Found Diatomaceous earth 2 times.

Displaying results 1 to 10.

1. Diatomaceous earth (tripolite, fossil flour, rock meal, kieselguhr)
A type of silica-rich dirt which is soft, fine-grained, porous, light-colored, and composed of the skeletons of diatoms (one-celled marine organisms with skeletons based on silicon). It is used as a filter.

2. Diatomaceous earth
Fossilized deposits of diatoms; used for abrasives, polishes and as a filtering agent.