noun
- a white blood cell that helps the body fight infection and disease by destroying harmful bacteria and viruses
Usage: also spelled leucocyte (British); medical/scientific term
Examples
- The doctor ordered a blood test to count the patient's leukocytes.
- Leukocytes are essential components of the immune system.
- An infection typically causes an increase in leukocyte production.
- Different types of leukocytes have different roles in protecting the body.
- The lab technician examined the leukocytes under a microscope.
- A normal leukocyte count indicates a healthy immune system.