adjuvant\AJ-uh-vuhnt\ , adjective, noun;
1.Serving to help or assist; auxiliary.
2.Assisting in the prevention, amelioration, or cure of disease.
noun:
1.A person or thing that aids or helps.
2.Anything that aids in removing or preventing a disease, esp. a substance added to a prescription to aid the effect of the main ingredient.
3.Immunology. a substance admixed with an immunogen in order to elicit a more marked immune response.
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