Dictionary

white blood cell

noun

: a clear or colorless cell in the blood that protects the body from disease

Full Definition of WHITE BLOOD CELL

:  any of the blood cells that are colorless, lack hemoglobin, contain a nucleus, and include the lymphocytes, monocytes, neutrophils, eosinophils, and basophils —called also leukocyte, white blood corpuscle, white cell

First Known Use of WHITE BLOOD CELL

1869

white blood cell

noun    (Medical Dictionary)

Medical Definition of WHITE BLOOD CELL

:  any of the blood cells that are colorless, lack hemoglobin, contain a nucleus, and include the lymphocytes, monocytes, neutrophils, eosinophils, and basophils—called also leukocyte, white blood corpuscle, white cell, white corpuscle; compare red blood cell

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