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Levigation

Definitions

  • Webster's Revised Unabridged Dictionary
    • n Levigation lĕv`ĭ*gā"shŭn The act or operation of levigating.
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Century Dictionary and Cyclopedia
    • n levigation The act or operation of grinding or rubbing a solid substance to a fine impalpable powder. A mortar and pestle are commonly used in the process, and it is completed by allowing the coarser particles to settle in water, then decanting the latter, letting it stand till the fine powder has fallen to the bottom, and finally pouring off the water. In the chemical analysis of minerals this process is repeated until the mineral has been reduced to a sufficient degree of fineness, the coarser part being subjected to further pulverization after each separation by the aid of the water.
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Etymology

Webster's Revised Unabridged Dictionary
L. levigatio, a smoothing: cf. F. lévigation,

Usage

In literature:

Is levigated talc passed through a silk sieve.
"The Art of Perfumery" by G. W. Septimus Piesse
Make a mixture of cream of tartar, 2 parts; levigated chalk, 2 parts; and alum, 1 part.
"Practical Mechanics for Boys" by J. S. Zerbe
Levigate -us: with a smooth, somewhat shiny surface.
"Explanation of Terms Used in Entomology" by John. B. Smith
Mark first the rationale of the thing: Hear logic rivel and levigate the deed.
"The Book of Humorous Verse" by Various
The whole was then covered with a very fine siliceous glaze, probably formed of soda and well-levigated sand.
"Museum of Antiquity" by L. W. Yaggy
The most usual method of levigation is by means of a flat table ABCD, Pl.
"Elements of Chemistry," by Antoine Lavoisier
Levigate all up fine, form into pills and administer.
"Surgical Instruments in Greek and Roman Times" by John Stewart Milne
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