/ˈluːsɪsɪt/ (LOO-si-sit)

Definitions

1. noun

A type of white blood cell, especially one that is involved in the immune response.

“The doctor examined the leucocyte count in the patient’s blood sample.”

2. noun

A cell of the blood or bone marrow, especially one that is involved in the immune response.

“The leucocytes in the patient’s bone marrow were found to be abnormal.”

3. noun

A white cell, especially one that is involved in the immune response.

“The leucocytes in the patient’s blood helped to fight off the infection.”