adulteration

adulteration definition - medical

a·dul·ter·a·tion (ə-dŭlˌtə-rāˈshən)

noun
The alteration, especially the debasement, of a substance by deliberately adding something not ordinarily a part of it.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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