plasma

noun
plas·​ma | \ ˈplaz-mə How to pronounce plasma (audio) \

Definition of plasma

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
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

Keep scrolling for more

Other Words from plasma

plasmatic \ plaz-​ˈma-​tik How to pronounce plasmatic (audio) \ 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 effectiveness rate for platelet rich plasma treatments varies from patient to patient, but Zeichner says anecdotally his patients achieve about a 25 percent improvement and hair density. Lisa Fogarty, Harper's BAZAAR, "Biotin Is in Every Hair Growth Pill. But Does it Even Work?," 22 May 2019 Walker received a platelet-rich plasma injection in his shoulder, which will delay his return from major elbow surgery that was on track for midway through this season. Jose M. Romero, The Seattle Times, "Sandoval, Belt homer in Giants’ win over D’backs," 18 May 2019 Blood is drawn, usually from the client’s arm, then placed in a centrifuge in order to separate the plasma and the platelets from red blood cells. Rebecca Jennings, Vox, "“Vampire facials” are massively popular. And — surprise! — potentially dangerous.," 14 Sep. 2018 Earth's plasmasphere is a region that contains dense, cold plasma. Chelsea Gohd, Space.com, "Jupiter's Largest Moon Ganymede Produces Powerful Plasma Waves," 8 Aug. 2018 Your body springs into action, combining enough platelets (blood cells that adhere to each other) and proteins from plasma (the liquid part of your blood) to plug the injured blood vessel, the Mayo Clinic says. Korin Miller, SELF, "Here’s When to See a Doctor About Period Clots," 1 Mar. 2019 The resulting liquid is called platelet-rich plasma, or PRP. Rebecca Jennings, Vox, "“Vampire facials” are massively popular. And — surprise! — potentially dangerous.," 14 Sep. 2018 On the walls behind the sofas are giant plasma-TV screens, while the space at the center of the room is filled with towering stacks of extraordinary books on art, decoration, history, and philosophy. Kennedy Fraser, Vogue, "From the Archives: Karl Lagerfeld, The Impresario," 19 Feb. 2019 Light slows down in the presence of matter, including plasmas. Chris Lee, Ars Technica, "Pulsars could convert dark matter into something we could see," 20 Dec. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'plasma.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of plasma

1517, in the meaning defined at sense 1

History and Etymology for plasma

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

Keep scrolling for more

Learn More about plasma

Dictionary Entries near plasma

plasm

plasm-

-plasm

plasma

plasma cell

plasmagel

plasmagene

Statistics for plasma

Last Updated

30 May 2019

Look-up Popularity

Time Traveler for plasma

The first known use of plasma was in 1517

See more words from the same year

Keep scrolling for more

More Definitions for plasma

plasma

noun

English Language Learners Definition of plasma

medical : the watery part of blood that contains blood cells
technical : a substance that is similar to a gas but that can carry electricity
: a type of visual display for computers, televisions, etc., that uses plasma with electrical charges between two sheets of glass and that produces pictures that are very clear and bright

plasma

noun
plas·​ma | \ ˈplaz-mə How to pronounce plasma (audio) \

Kids Definition of plasma

: the watery part of blood, lymph, or milk

plasma

noun
plas·​ma | \ ˈplaz-mə How to pronounce plasma (audio) \

Medical Definition of plasma

1a : 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
3 : a mixture of starch and gel used as an ointment base

Keep scrolling for more

More from Merriam-Webster on plasma

Rhyming Dictionary: Words that rhyme with plasma

Spanish Central: Translation of plasma

Nglish: Translation of plasma for Spanish Speakers

Britannica English: Translation of plasma for Arabic Speakers

Britannica.com: Encyclopedia article about plasma

Comments on plasma

What made you want to look up plasma? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to take the place or position of

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a closeup of a sunflower
  • Which of the following words means “of or relating to summer”?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!