kieselguhr


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kie·sel·guhr

 (kē′zəl-go͝or′)
n.

[German Kieselguhr, obsolete spelling of Kieselgur : Kiesel, pebble (from Middle High German kisel, from Old High German kisil, from Germanic *kisilaz : Germanic *kis-, gravel; probably akin to Lithuanian žiezdra, grain of sand + Germanic *-ilaz, diminutive suffix) + Gur, Guhr, ferment, earthy deposit from water (from gären, to ferment, blend of Middle High German jësan, from Old High German Middle High German *jern, to cause to ferment, from Old High German jerian; see yes- in Indo-European roots).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

kieselguhr

or

kieselgur

n
(Geological Science) an unconsolidated form of diatomite
[C19: from German Kieselgur, from Kiesel flint, pebble + Gur loose earthy deposit]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.kieselguhr - a light soil consisting of siliceous diatom remains and often used as a filtering materialkieselguhr - a light soil consisting of siliceous diatom remains and often used as a filtering material
filter - device that removes something from whatever passes through it
earth, ground - the loose soft material that makes up a large part of the land surface; "they dug into the earth outside the church"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
In cooperation with a mid-sized brewery in Europe, GEA has been installing its GEA clearamic Beer Filtration system as an alternative to conventional kieselguhr and cross-flow filtration with polymer membranes.
Which explosive mixture invented by Alfred Nobel consists of 75% nitroglycerin and 25% kieselguhr? 4.
The latter ones are found in various rocks, radiolaria, diatoms, sponges, and kieselguhr, among others, whereas crystalline forms occur only in rocks.
Diatomaceous earth (DE), alternatively known as kieselguhr or diatomite, is mainly composed of silica 80% to 90% (sometimes up to 95%), alumina 2% to 4%, and hematite 0.5% to 2% [50].
Pumping kieselguhr (diatomaceous earth) and transferring crude oil are among the extreme tasks that Siltbuster has recently encountered.
Kieselguhr, as it was called, absorbed three times its weight in nitroglycerine and turned the volatile chemical into a much more stable commodity." (8) Nobel's high-explosive nitroglycerin sticks, which he named "dynamite," quickly came to be known around the planet as a safer and more effective device than gunpowder.
Os extratos de vitamina C foram preparados, sob agitacao por 15min, em banho ultrassonico, em acido oxalico 0,5%, acrescido de 0,1g de Kieselguhr e quantificado por espectrometria, segundo STROHECKER & HENNING (1967).
Other applications include the dosing of kieselguhr in brewing, additives in the manufacture of animal feed and seed coatings.
1867: Swedish chemist Alfred Nobel first demonstrated the use of dynamite - his name for nitroglycerine absorbed into diatomaceous earth (kieselguhr) for added stability.