- an increase in the number of white blood cells in the blood.
Origin of leukocytosis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for leucocytosis
Just prior to the onset of an exacerbation the leucocytosis is low.
These three cases, then, had marked febrile reactions and leucocytosis.
The possibility of the three high temperatures with leucocytosis being due to intercurrent infections must be considered.
This is borne out by the exceptionally exhaustive hæmatological literature, and particularly by that of leucocytosis.
Very important conclusions on the interesting question of leucocytosis can be drawn from these observations.
esp US leukocytosis
- a gross increase in the number of white blood cells in the blood, usually as a response to an infection
- Variant ofleukocytosis
- An abnormally large increase in the number of white blood cells in the blood, often occurring during an acute infection or inflammation.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.