kieselguhr

American  

[kee-zuhl-goor] / ˈki zəlˌgʊər /

noun

1. diatomaceous earth.

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kieselguhr British  

/ ˈkiːzəlˌɡʊə /

noun

1. an unconsolidated form of diatomite

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Etymology

Origin of kieselguhr

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

Example Sentences

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

From BBC • Jun. 6, 2014

Fossil polishing-powders, as tripoli and bergmehl, are composed of them; also kieselguhr, which, impregnated with nitroglycerine, forms dynamite.

From The New Gresham Encyclopedia Volume 4, Part 1: Deposition to Eberswalde by Various

An actual analysis of dynamite No. 1 made by the author at Hayle gave— Moisture, 0.92 per cent.; kieselguhr, 26.15 per cent.; and nitro- glycerine, 72.93 per cent., the last being obtained by difference.

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

This name was originally applied to his mixture of nitroglycerin with kieselguhr, but now includes also other mechanical mixtures or chemical compounds which develop a high explosive force as compared with gunpowder.

From Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" by Various

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)