Main Entry: co·he·sion

Pronunciation: \kō-ˈhē-zhən\

Function: noun

Etymology: Latin cohaesus, past participle of cohaerēre

Date: 1660

1 : the act or state of sticking together tightly; especially : unity <the lack of cohesion in the Party — Times Literary Supplement>
2 : union between similar plant parts or organs
3 : molecular attraction by which the particles of a body are united throughout the mass

— co·he·sion·less \-ləs\ adjective