leucocytosis in British English
or especially US leukocytosis (ˌluːkəʊsaɪˈtəʊsɪs)
nouna gross increase in the number of white blood cells in the blood, usually as a response to an infection
Derived forms
leucocytotic or especially US leukocytotic (ˌluːkəʊsaɪˈtɒtɪk) adjective