1
: a green faintly translucent quartz
2
[New Latin, from Late Latin]
a
: the fluid part of blood, lymph, or milk as distinguished from suspended material
especially
: blood plasma
b
: the juice that can be expressed from muscle
3
4
: a collection of charged particles (as in the atmospheres of stars or in a metal) containing about equal numbers of positive ions and electrons and exhibiting some properties of a gas but differing from a gas in being a good conductor of electricity and in being affected by a magnetic field
5
: a display (such as a television screen) consisting of discrete cells of plasma sandwiched between two layers of glass and electrodes such that each cell emits light when it receives an electric current
Examples of plasma in a Sentence
the plasma that makes up a star
Our new TV is a 50-inch plasma.
Recent Examples on the Web
The wide coverage area of the phone map data also gives researchers the opportunity to see and document interesting ionosphere phenomena, like plasma bubbles, with a limited amount of specialized equipment.
—
Mack Degeurin, Popular Science, 13 Nov. 2024
Crime scene tape was up around the plasma center near the intersection of North Post Road and East 38th Street.
—Jade Jackson, The Indianapolis Star, 29 Oct. 2024
The cause of the natural phenomenon, also known as the aurora borealis, was an intense geomagnetic storm triggered by a massive explosion of plasma and magnetic field from the Sun toward Earth.
—Ariana Garcia, Chron, 11 Oct. 2024
Hisense 58-Inch Class R6 Series 4K UHD Roku Smart TV
Hisense 58-Inch Class R6 Series 4K UHD Roku Smart TV
Net $60 off a 58-inch plasma that has Roku compatibility and more.
—Kasey Caminiti, USA TODAY, 5 Oct. 2024
See all Example Sentences for plasma 
Examples are automatically compiled from online sources to
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
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Mack Degeurin, Popular Science, 13 Nov. 2024
Crime scene tape was up around the plasma center near the intersection of North Post Road and East 38th Street.
—Jade Jackson, The Indianapolis Star, 29 Oct. 2024
The cause of the natural phenomenon, also known as the aurora borealis, was an intense geomagnetic storm triggered by a massive explosion of plasma and magnetic field from the Sun toward Earth.
—Ariana Garcia, Chron, 11 Oct. 2024
Hisense 58-Inch Class R6 Series 4K UHD Roku Smart TV
Hisense 58-Inch Class R6 Series 4K UHD Roku Smart TV
Net $60 off a 58-inch plasma that has Roku compatibility and more.
—Kasey Caminiti, USA TODAY, 5 Oct. 2024
See all Example Sentences for plasma
Dictionary Entries Near plasma
Cite this Entry
“Plasma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/plasma. Accessed 26 Nov. 2024.
Copy CitationKids Definition
plasma
noun
plas·ma
ˈplaz-mə 
1
: the watery part of blood, lymph, or milk
2
: a collection of charged particles that shows some characteristics of a gas but that differs from a gas in being a good conductor of electricity and in being affected by a magnetic field
Medical Definition
plasma
noun
plas·ma
ˈplaz-mə
1
a
: the fluid part especially of blood, lymph, or milk that is distinguished from suspended material see blood plasma
b
: the juice that can be expressed from muscle
2
3
: a mixture of starch and gel used as an ointment base
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