red blood cell

noun

variants or less commonly red blood corpuscle or red cell or red corpuscle
: any of the hemoglobin-containing cells that carry oxygen to the tissues and in mammals are typically biconcave disks which lack a nucleus and cellular organelles and are formed from nucleated cells of the red bone marrow

Note: The number of red blood cells ranges from four to six million in each cubic millimeter of normal human blood. The red color of blood is due to the presence of hemoglobin within the red blood cells.

called also erythrocyte

compare white blood cell

Examples of red blood cell in a Sentence

Recent Examples on the Web Lactic acidosis: This type is caused by the buildup of lactic acids, which are produced by muscles and red blood cells. Mark Gurarie, Verywell Health, 5 Aug. 2024 Sickle cell disease refers to a set of related genetic conditions that affect red blood cells. Keumars Afifi-Sabet, The Week Uk, theweek, 16 July 2024 The pair teamed up and began to develop their artificial red blood cell. Byandrew Zaleski, science.org, 3 July 2024 Someone who suffers from sickle cell anemia would have lower than normal levels of hemoglobin, a protein that carries oxygen in a red blood cell. Nichole Manna, Fort Worth Star-Telegram, 7 May 2024 See all Example Sentences for red blood cell 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'red blood cell.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1850, in the meaning defined above

Time Traveler
The first known use of red blood cell was in 1850

Dictionary Entries Near red blood cell

Cite this Entry

“Red blood cell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/red%20blood%20cell. Accessed 19 Aug. 2024.

Kids Definition

red blood cell

noun
: a reddish cell of the blood that contains hemoglobin and carries oxygen from the lungs to the tissues

called also erythrocyte, red blood corpuscle, red cell, red corpuscle

Medical Definition

red blood cell

noun
: any of the hemoglobin-containing cells that carry oxygen to the tissues and are responsible for the red color of vertebrate blood

called also erythrocyte, red blood corpuscle, red cell, red corpuscle

compare white blood cell

More from Merriam-Webster on red blood cell

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