or chiefly Brit  leu*co*cy*to*sis  n, pl  -to*ses   :  an increase in the number of leukocytes in the circulating blood that occurs normally (as after meals) or abnormally (as in some infections) leu*ko*cy*tot*ic or chiefly Brit  leu*co*cy*tot*ic  adj 
 
 
 
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