cohesion
/kəʊˈhiːʒən/noun
mass noun
1- the action or fact of forming a united whole团结一致; 结合成一体：
the work at present lacks cohesion.
当前工作中缺乏团结一致的精神。
1.1
- Physics the sticking together of particles of the same substance【物理】内聚性; 内聚力。
词源
mid 17th cent.: from Latin cohaes- 'cleaved together', from the verb cohaerere （see COHERE）, on the pattern of adhesion.