levigation


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levigation

 [lev″ĭ-ga´shun]
the grinding to a powder of a moist or hard substance.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

lev·i·ga·tion

(lev'i-gā'shŭn)
Process of moistening a powdered chemical before mixing it into a cream or ointment to lessen the graininess of the drug.
[L. levigatio, fr. levis, smooth]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
No washing or levigation' basins for the clay exist since, according to the chemical analysis of the clays, the potters did not extract anything nor did they add anything to the clay other than organic material in some cases.
By levigation the fine clay is separated from the quartz and run off to stiffen before being formed into brick (a unit of measurement) and dried prior to transportation.