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
As the sun geared up to spit a powerful solar flare into space, NASA scientists snapped huge loops of plasma leaping from the sun's surface.
—
Michael Gfoeller and David H. Rundell, Newsweek, 16 Jan. 2025
Things not only got hot, the blazing solar plasma drowned out communications with Earth.
—David Szondy, New Atlas, 2 Jan. 2025
Solar storms, a result of two bursts of plasma hurtling towards Earth, may bring the Northern Lights into view early this week, according to the U.S. National Oceanic and Atmospheric Administration (NOAA).
—Sydney Borchers, Fox News, 31 Dec. 2024
On Christmas Eve, scientists expect Parker to have flown through plumes of plasma still attached to the sun.
—Sharmila Kuthunur, Space.com, 27 Dec. 2024
See all Example Sentences for plasma 
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.
Michael Gfoeller and David H. Rundell, Newsweek, 16 Jan. 2025
Things not only got hot, the blazing solar plasma drowned out communications with Earth.
—David Szondy, New Atlas, 2 Jan. 2025
Solar storms, a result of two bursts of plasma hurtling towards Earth, may bring the Northern Lights into view early this week, according to the U.S. National Oceanic and Atmospheric Administration (NOAA).
—Sydney Borchers, Fox News, 31 Dec. 2024
On Christmas Eve, scientists expect Parker to have flown through plumes of plasma still attached to the sun.
—Sharmila Kuthunur, Space.com, 27 Dec. 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 23 Jan. 2025.
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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share