Leukocyte (noun)

A white blood cell, which is a type of cell in the blood that helps fight infection and disease.

Origin:

From the greek leuko- "white" + -cyte "cell".

Examples:

1. The number of leukocytes in the blood can indicate an infection or inflammation.
2. Leukocytes are a type of white blood cell that help fight infection and disease.
3. Leukocytes are produced in the bone marrow.
4. Leukocytes are important components of the immune system.
5. Leukocytes can be divided into two main types: granulocytes and agranulocytes.