'adjuvant' definitions:

Definition of 'adjuvant'

From: WordNet
adjective
Furnishing added support; "an ancillary pump"; "an adjuvant discipline to forms of mysticism"; "The mind and emotions are auxiliary to each other" [syn: accessory, adjunct, ancillary, adjuvant, appurtenant, auxiliary]
adjective
Enhancing the action of a medical treatment; "the adjuvant action of certain bacteria"
noun
An additive that enhances the effectiveness of medical treatment