synergist Meaning, Definition & Usage

  1. noun a drug that augments the activity of another drug

WordNet

Syn"er*gist noun
Etymology
Cf. F. synergiste.
Definitions
  1. One who holds the doctrine of synergism.
  2. (Med.) A remedy which has an action similar to that of another remedy, and hence increases the efficiency of that remedy when combined with it.
  3. (Biochemistry) A chemical compound which exhibits a synergistic effect on some biochemical or physiological action, in combination with another compound. [A supertype of def. 2.]

Webster 1913