infusorial earth
Britishnoun
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 subject alluded to has long been well- known in the arts, under the name of infusorial earth or mountain meal, and is used in the form of powder for polishing stones and metals.
From The Student's Elements of Geology by Sir Charles Lyell
In 1902 Javal patented a mixture of 1 part of potassium permanganate, 5 of "sulphuric acid," and 1 of water absorbed in 4 parts of infusorial earth.
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 F. H. (Frank Henley) Leeds
In nonmetallic products there were displayed garnet, emery, millstones, infusorial earth, mineral paints, graphite, talc, mica, salt, gypsum, land plaster, and plaster of Paris.
From Final Report of the Louisiana Purchase Exposition Commission by Louisiana Purchase Exposition Commission
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 Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. by E. G. Thomssen
For the final polishing, a little infusorial earth or even kaolin will do.
From Laboratory Manual of Glass-Blowing by Francis C. (Francis Cowles) Frary
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