haemostasis in British English
 or  US hemostasis (ˌhiːməʊˈsteɪsɪs, ˌhɛm-), haemostasia or  US hemostasia (ˌhiːməʊˈsteɪʒɪə, -ʒə, ˌhɛm-)
noun1. the stopping of bleeding or arrest of blood circulation in an organ or part, as during a surgical operation
 2. stagnation of the blood
   Word origin
C18: from New Latin, from 
haemo- + Greek 
stasis a standing still