agonist

英 ['ægənɪst] 美 ['ægənɪst]

• n. 收缩筋；兴奋剂；竞争者

英英释义

Noun:

1. the principal character in a work of fiction

2. someone involved in a contest or battle (as in an agon)

3. a muscle that contracts while another relaxes;

   "when bending the elbow the biceps are the agonist"
   

4. (biochemistry) a drug that can combine with a receptor on a cell to produce a physiological reaction

近反义词

【近义词】

• protagonist 主角

【反义词】

• antagonist 敌手