avidity
/əˈvɪdətɪ/noun
mass noun
1- keen interest or enthusiasm渴望; 热衷。
1.1
- Biochemistry the overall strength of binding between an antibody and an antigen【生化】亲和力, 抗体亲抗源性。
词源
late Middle English: from French avidité or Latin aviditas, from avidus 'eager， greedy'.