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blood cell

American  

noun

  1. any of the cellular elements of the blood, as white blood cells or red blood cells.

blood cell British  

noun

  1. any of the cells that circulate in the blood See erythrocyte leucocyte

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
blood cell Scientific  

  1. A red blood cell or white blood cell that is contained in the blood.

Etymology

Origin of blood cell

First recorded in 1840–50

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He started chemotherapy soon after the February podcast was recorded and was getting white blood cell injections to help boost his immune system.

From Los Angeles Times • Mar. 30, 2026

Myeloma cells can also cause a reduction in overall blood cell counts, which can lead to anemia, and a decrease in normal antibodies, which can lead to compromised immunity and an increased risk of infections.

From Slate • Mar. 29, 2026

Trauma remains a leading cause of death among younger people, and changes in red blood cell production and metabolism could affect glucose availability and muscle performance.

From Science Daily • Feb. 21, 2026

Last month, Oscar had T-cells - a type of white blood cell - removed and sent to a lab in Stevenage.

From BBC • Jan. 13, 2026

However, the nodes in John’s neck were much harder, and his white blood cell count much higher, than would have been the case in someone with TB.

From "Mountains Beyond Mountains" by Tracy Kidder and Michael French

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.