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kieselguhr

American  
[kee-zuhl-goor] / ˈki zəlˌgʊər /

kieselguhr British  
/ ˈkiːzəlˌɡʊə /

noun

  1. an unconsolidated form of diatomite

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of kieselguhr

1870–75; < German, equivalent to Kiesel flint + Gu ( h ) r earthy deposit

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The breakthrough came when he mixed nitroglycerin with the inert mineral powder kieselguhr, creating the much more stable dynamite.

From BBC • Jun. 6, 2014

The use of arsenious oxide dissolved in a strong acid, and the solution absorbed in pumice or kieselguhr has been protected by G. F. Jaubert.

From Acetylene, the Principles of Its Generation and Use A Practical Handbook on the Production, Purification, and Subsequent Treatment of Acetylene for the Development of Light, Heat, and Power by Leeds, F. H. (Frank Henley)

Dynamite, efficiency of, 118. frozen dynamite, 116. gelatine dynamite, 119. properties of kieselguhr dynamite, 116.

From Nitro-Explosives: A Practical Treatise by Sanford, P. Gerald (Percy Gerald)

Among the porous substances used is kieselguhr, a silicious earth which consists chiefly of the skeletons of various species of diatoms.

From Nitro-Explosives: A Practical Treatise by Sanford, P. Gerald (Percy Gerald)

The other method consists in pumping acetylene under pressure into a cylinder apparently quite full of some highly porous solid matter, like charcoal, kieselguhr, unglazed brick, &c.

From Acetylene, the Principles of Its Generation and Use A Practical Handbook on the Production, Purification, and Subsequent Treatment of Acetylene for the Development of Light, Heat, and Power by Leeds, F. H. (Frank Henley)