infusorial earth

/ ˌɪnfjʊˈzɔːrɪəl /

noun

1. another name for diatomaceous earth See diatomite

Example Sentences

Infusō′rian.—Infusorial earth, a siliceous deposit formed chiefly of the frustates of Diatoms—used as Tripoli powder for polishing purposes.

From Project Gutenberg

As compared with certain kinds of charcoal, however, the absorptive and retentive power of infusorial earth in small changes of temperature unfavorably affect the common dynamite, and cause a separation of the nitrogylcerin from the infusorial earth.

From Project Gutenberg

In the manufacture of the explosive known as dynamite, an infusorial earth is used, which is filled with or made to absorb nitroglycerin.

From Project Gutenberg

The towns of Berlin in Europe and of Richmond in the United States are actually built upon ground called "infusorial earth," composed almost entirely of valves of these minute diatoms which have accumulated to a thickness of more than eighty feet!

From Project Gutenberg

Many substances are incorporated with soap, such as salt, soda ash, tripoli, crushed volcanic deposits, ground feldspar, infusorial earth of various kinds, silex, etc.

From Project Gutenberg