- siliceous earth
- n.Kieselerde f.
English-german dictionary. 2013.
siliceous earth
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siliceous earth purified — [NF] a form of silica (infusorial e.), SiO2, purified by boiling with acid, washing, and calcining; used as a pharmaceutical filtering agent … Medical dictionary
Earth and Space Sciences — ▪ 1996 Introduction GEOLOGY AND GEOCHEMISTRY In 1995 significant developments took place in the realm of geologic mapping, which provides the foundation for the presentation and comparison of data in the Earth sciences. The most important… … Universalium
diatomaceous earth — a fine siliceous earth composed chiefly of the cell walls of diatoms: used in filtration, as an abrasive, etc. Also called diatomite /duy at euh muyt /, kieselguhr. [1880 85] * * * or kieselguhr Light coloured, porous, and friable sedimentary… … Universalium
diatomaceous earth — di′atoma′ceous earth′ n. gel a fine siliceous earth composed chiefly of the cell walls of diatoms and used in filtration. Also called di•at•o•mite [[t]daɪˈæt əˌmaɪt[/t]] • Etymology: 1880–85 … From formal English to slang
diatomaceous earth — A light colored, soft, siliceous earth composed of the shells of diatoms, a form of algae. Some deposits are of lake origin but the largest are marine [6] … Lexicon of Cave and Karst Terminology
diatomaceous earth — /ˌdaɪətəmeɪʃəs ˈɜθ/ (say .duyuhtuhmayshuhs erth) noun a fine siliceous earth composed chiefly of cell walls of diatoms, used in filtration, as an abrasive, etc.; kieselguhr. Also, diatomite /daɪˈætəmaɪt/ (say duy atuhmuyt) …
white earth — noun 1. : a siliceous earth from eastern Bavaria used as a substrate for organic pigments for paints 2. : an impure silica … Useful english dictionary
Snowball Earth — The Snowball Earth hypothesis as it was originally proposedcite book author = Kirschvink, J.L. year = 1992 chapter = Late Proterozoic low latitude global glaciation: The snowball Earth title = The Proterozoic Biosphere: A Multidisciplinary Study… … Wikipedia
Diatomaceous earth — A sample of diatomaceous earth Diatomaceous earth ( / … Wikipedia
diatomaceous earth — Infusorial In fu*so ri*al, a. (Zo[ o]l.) 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 Collaborative International Dictionary of English
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… … The Collaborative International Dictionary of English
