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1. Furnishing added support
   "an adjuvant discipline to forms of mysticism"
   - accessory, adjunct, ancillary, appurtenant, auxiliary
    
2. Enhancing the action of a medical treatment
   "the adjuvant action of certain bacteria"

1. An additive that enhances the effectiveness of medical treatment

Derived forms: adjuvants

See also: helpful, supportive

Type of: additive

Encyclopedia: Adjuvant