plasma
🇬🇧 /ˈplæzmə/
🇺🇸 /ˈplæzmə/
📖 Definitions
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noun
The liquid, pale-yellow component of blood in which blood cells are suspended; it contains proteins, electrolytes, hormones, and clotting factors.; A state of matter consisting of ionized gas containing free electrons and positive ions, often considered the fourth state of matter, found in stars, lightning, and neon signs.; A green variety of chalcedony, a cryptocrystalline form of quartz, sometimes used as a gemstone.; The protoplasm of a cell, especially the living substance within the cell membrane.; In physics, a quasi-neutral gas of charged and neutral particles that exhibits collective behavior, often generated in laboratory settings for research or industrial applications.; Blood plasma that has been separated from whole blood and used therapeutically or for the production of plasma-derived medicinal products.
🔗 Details
Word forms
uncountable
Collocations
blood plasmaplasma membraneplasma physicsplasma screenplasma TVplasma state
Derivatives
plasmaticplasmicplasmapheresisplasmatronplasmid
Synonyms
protoplasmionized gasserum
Commonly confused
serum
EN: 'Serum' is plasma with clotting factors removed; 'plasma' is the full liquid component of blood including clotting proteins.
cytoplasm
EN: 'Cytoplasm' is the gel-like substance inside a cell; 'plasma' refers to blood fluid or ionized gas.
Spelling tips
EN: Do not spell it 'plazma'—the 's' is silent in pronunciation but must be written. The plural, when rarely used in technical contexts, is 'plasmas' not 'plasmata'.
💬 Examples
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The patient received a plasma transfusion to replace lost clotting factors.
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The sun is essentially a massive ball of plasma held together by gravity.
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The antique brooch was set with a fine piece of plasma, its deep green color resembling emerald.
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Early biologists studied the plasma of cells to understand the fundamental processes of life.
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The researchers used a plasma etching technique to fabricate the semiconductor chips.
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Donors can give plasma twice a week, as the body replenishes it much faster than red blood cells.