1. One who holds the doctrine of synergism.

2. <medicine> 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.

Origin: Cf. F. Synergiste.

(01 Mar 1998)