NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,535 terms related to cancer and medicine.
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- listen (uh-DUL-teh-runt)
- A substance added to a product but not listed as an ingredient, or a substance that ends up in a product by accident when the product is made. Adulterants may be in foods, drugs, and other products. An adulterant may cause a product to be harmful, cheaper to make, or not work as it should.