The attraction between molecules or masses that holds them together. [L. co-haereo, pp. -haesus, to stick together]
* * *
co·he·sion kō-'hē-zhən n
1) the act or process of sticking together tightly
2) the molecular attraction by which the particles of a body are united throughout the mass compare ADHESION (3)
* * *
co·he·sion (ko-heґzhən) [L. cohaesio, from con together + haerere to stick] the intermolecular attractive force that causes various particles of a single material to unite.Medical dictionary. 2011.