plasma

noun

plas·​ma ˈplaz-mə How to pronounce plasma (audio)
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
plasmatic adjective

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 benefits don’t end there—by delivering oxygen-rich plasma to tissue, HBOT promotes rapid wound healing, lowers swelling, and disrupts the cycle of tissue death, inflammation, and starvation of oxygen. Chris Gallagher, USA TODAY, 12 May 2024 Sky watchers will get another chance to see the Northern Lights in Wisconsin later tonight after a large cloud plasma erupted into space, according to the NOAA Space Weather Prediction Center. Alex Groth, Journal Sentinel, 11 May 2024 See all Example Sentences for plasma 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'plasma.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

German, from Late Latin, something molded, from Greek, from plassein to mold — more at plaster

First Known Use

1517, in the meaning defined at sense 1

Time Traveler
The first known use of plasma was in 1517

Dictionary Entries Near plasma

Cite this Entry

“Plasma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/plasma. Accessed 22 May. 2024.

Kids Definition

plasma

noun
plas·​ma ˈplaz-mə How to pronounce plasma (audio)
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 How to pronounce plasma (audio)
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
Last Updated: - Updated example sentences
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