Medical term:
Kieselguhr
di·a·to·ma·ceous earth
a powder made of desiccated diatom material; used as a filtering agent, adsorbent, and abrasive in many chemical operations.
Farlex Partner Medical Dictionary © Farlex 2012
di·a·to·ma·ceous earth
(dī'ă-tŏ-mā'shē-ŭs ĕrth)A powder made of desiccated diatom material; used as a filtering agent, adsorbent, and abrasive in many chemical operations.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
diatomaceous earth
Silica containing fossilized shells of microscopic algae with a siliceous or calcium-containing cell wall. It is used in insulating material and filters and as an absorbent. Synonym: diatomite
Medical Dictionary, © 2009 Farlex and Partners
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