mutuality

英 ['mjuːtʃʊ'ælətɪ] 美[tjʊtʃʊ'æləti]

• n. 相互关系，相关；亲密

1. a reciprocality of sentiments;

"the mutuality of their affection was obvious"

2. a reciprocal relation between interdependent entities (objects or individuals or groups)