blood plasma

noun

: the pale yellow fluid of whole blood that consists of water and its dissolved constituents including especially proteins (such as albumin, fibrinogen, and globulins)

Examples of blood plasma in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
It's manufactured from blood plasma donated by people who've been immunized against rabies, KFF News reports. Cara Lynn Shultz, PEOPLE, 2 July 2026 More broadly, training and living in hot conditions can increase blood plasma volume, improve sweating and help athletes work closer to their normal limits. Chris Stokel-Walker, Scientific American, 19 June 2026 The sole treatment is BabyBIG, an IV medication made from blood plasma of people immunized against botulism. ABC News, 13 June 2026 Drew is known for his work in developing long-term storage for blood plasma and working with the American Red Cross to organize the first extensive blood bank in the nation. USA Today, 19 May 2026 See All Example Sentences for blood plasma

Word History

First Known Use

1842, in the meaning defined above

Time Traveler
The first known use of blood plasma was in 1842

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Cite this Entry

“Blood plasma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blood%20plasma. Accessed 6 Jul. 2026.

Kids Definition

blood plasma

noun
: the fluid portion of whole blood

Medical Definition

blood plasma

noun
: the pale yellow fluid portion of whole blood that consists of water and its dissolved constituents including proteins (as albumin, fibrinogen, and globulins), electrolytes (as sodium and chloride), sugars (as glucose), lipids (as cholesterol and triglycerides), metabolic waste products (as urea), amino acids, hormones, and vitamins compare serum entry 1 sense a(1)

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