an increase in the number of leukocytes in the blood: it is a normal response to pregnancy and is found in certain cases of poisoning or inflammation and in many infections
Origin of leukocytosisModern Latin ; from leukocyte + -osis
nounpl. leu·ko·cy·to·ses also leu·co·cy·to·ses
An abnormally large increase in the number of white blood cells in the blood, often occurring during an acute infection or inflammation.
- Alternative spelling of leucocytosis.