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food a·dul·ter·ant(fūd ă-dŭlt'ĕr-ănt)
Any substance added to a foodstuff or beverage that makes it unfit for human consumption.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
A substance that makes food impure or inferior, such as toxins, organisms, pesticide residues, radioactive fallout, any poisonous or deleterious substance, or any substance added to increase bulk or weight.
Medical Dictionary, © 2009 Farlex and Partners