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diatomite n. 硅藻土 矽藻土 diatomite n 1: a light soil consisting of siliceous diatom remains and often used as a filtering material [ synonym: { diatomaceous earth}, { diatomite}, { kieselguhr}] Infusorial \ In` fu* so" ri* al\, a. ( Zool.) Belonging to the Infusoria; composed of, or containing, Infusoria; as, infusorial earth. [ 1913 Webster] { Infusorial earth} ( Geol.), a deposit of fine, usually white, siliceous material, composed mainly of the shells of the microscopic plants called diatoms; also called { diatomaceous earth}, { kieselguhr}, and { diatomite}. It is used in polishing powder, and in the manufacture of dynamite. [ 1913 Webster PJC]
diatomaceous earth \ di` a* to* ma" ceous earth`\ ( Geol.), a deposit of fine, usually white, siliceous material, composed mainly of the shells of the microscopic plants called diatoms; also called { infusorial earth}, { kieselguhr}, and { diatomite}. It is used in polishing powder, and in the manufacture of dynamite. [ 1913 Webster PJC]
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