kieselguhr
Americannoun
noun
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
This was first done by the famous Nobel, who mixed it with a fine earth known as kieselguhr, whereby its sensitiveness was much decreased.
From Project Gutenberg
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 Project Gutenberg
Among the porous substances used is kieselguhr, a silicious earth which consists chiefly of the skeletons of various species of diatoms.
From Project Gutenberg
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 Project Gutenberg
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
