adjuvant

adj. helping, assisting, aiding; auxiliary; used as a supplementary treatment for illness (Medicine)

n. helper, assistant; substance or treatment that is used as a supplement to the primary treatment (Medicine); substance added to an antigen or vaccine to increase the immune response (Immunology)

Adjuvants are agents which modify the effect of other agents while having few if any direct effects when given by themselves. In this sense, they are very roughly analogous with chemical catalysts. Types of adjuvants include:Pharmaceutic adjuvantImmunologic adjuvantAgricultural spray adjuvantAdjuvant chemotherapyAdjuvants for dermatalogical products, including cosmetics and toiletries
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Noun
1. an additive that enhances the effectiveness of medical treatment
(hypernym) additive
Adjective
1. relating to something that is added but is not essential; "an ancillary pump"; "an adjuvant discipline to forms of mysticism"; "The mind and emotions are auxilliary to each other"
(synonym) accessory, adjunct, ancillary, appurtenant, auxiliary, subsidiary
(similar) supportive
2. enhancing the action of a medical treatment; "the adjuvant action of certain bacteria"
(similar) helpful
(classification) pharmacology, pharmacological medicine, materia medica

n. adjuvant, substance or treatment that is used as a supplement to the primary treatment (Medicine)

(n.)
An ingredient, in a prescription, which aids or modifies the action of the principal ingredient.
  

(n.)
An assistant.
  

(n.)
A substance added to an immunogenic agent to enhance the production of antibodies.
  

(n.)
A substance added to a formulation of a drug which enhances the effect of the active ingredient.
  

(a.)
Helping; helpful; assisting.