haemostasisEnglishOxford Dictionary of Englishhaemostasis /ˌhiːmə(ʊ)ˈsteɪsɪs / (US English hemostasis) ▸ noun [mass noun] Medicine the stopping of a flow of blood. – DERIVATIVES haemostatic /ˌhiːməˈstatɪk / (US English hemostatic) adjective