agonist
英 [ˈægənɪst]
美 [ˈægənɪst]
n. 兴奋剂，激动剂；促效药; 收缩筋；（剖）主缩肌，主动肌
复数：agonists
BNC.31057 / COCA.33823
英英释义
noun
- (biochemistry) a drug that can combine with a receptor on a cell to produce a physiological reaction
- a muscle that contracts while another relaxes
- when bending the elbow the biceps are the agonist
- someone involved in a contest or battle (as in an agon)
- the principal character in a work of fiction