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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.
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