What is "synergist"

Synergist \Syn"er*gist\, n. [Cf. F. synergiste.]

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.]

1650s, in theology, one who holds the doctrine of synergism (q.v.); from 1876 in medicine. For ending, see -ist.

n. Any synergistic agent

n. a drug that augments the activity of another drug [ant: antagonist]