Answer: adjuvant

AnswerCrossword Clue
adjuvantutilizing drugs, radiation therapy, or other means of supplemental treatment following cancer surgery
adjuvanta help
adjuvantperson or thing that aids or helps
adjuvantanything that aids in removing or preventing a disease, esp. a substance added to a prescription to aid the effect of the main ingredient
adjuvantsubstance admixed with an immunogen in order to elicit a more marked immune response
adjuvantserving to help or assist; auxiliary