noun. An abnormally large increase in the number of white blood cells in the blood, often occurring during an acute infection or inflammation.

noun. Alternative spelling of leucocytosis.

noun. an abnormal increase in the number of white blood cells in the blood as a result of infection (as in leukemia)

"An abnormally high count known as leukocytosis might indicate such conditions as leukemia, rheumatoid arthritis, tissue damage or infection."

blood disease  blood disorder  

amoebae  arrhythmia  ataxia  beriberi  bondmate