協同器官; 協作劑; 增效劑
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.
synergist
n : a drug that augments the activity of another drug [ant: {antagonist}]