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

The test calculates a ratio of two proteins, tau and amyloid, found in blood plasma. —Ken Alltucker, USA Today, 16 May 2025

James Harrison, the man who saved more than two million Australian babies by donating his blood plasma, has died. —Escher Walcott, People.com, 3 Mar. 2025

This type occurs naturally as blood plasma increases by 40-50%, diluting red blood cells. —Andrea L. Braden, Verywell Health, 12 Mar. 2025

Red Cross Announces Emergency Blood Shortage: 'Donors Are Urgently Needed' Harrison donated his blood plasma for the last time in 2018 at the age of 81. —Escher Walcott, People.com, 3 Mar. 2025

Word History

First Known Use

1842, in the meaning defined above

Rhymes for blood plasma

• chiasma
• miasma
• asthma
• histoplasma
• mycoplasma
• toxoplasma

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)