agonist
/ˈægənɪst/noun
1
- Biochemistry a substance which initiates a physiological response when combined with a receptor【生化】兴奋剂。比较ANTAGONIST.
2
- Anatomy a muscle whose contraction moves a part of the body directly【剖】主缩肌, 主动肌。比较ANTAGONIST.
3
- another term for PROTAGONIST.
派生词
agonism
noun词源
early 20th cent.: from Greek agōnistēs 'contestant' （a sense reflected in English in the early 17th cent.）， from agōn 'contest'.