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
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First Known Use of WHITE BLOOD CELL

1869
WHITE BLOOD CELL Defined for Kids

white blood cell

noun

Definition of WHITE BLOOD CELL for Kids

:  one of the tiny colorless cells of the blood that help fight infection
Medical Dictionary

white blood cell

noun

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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