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

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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 Based on Voyager 2's crossing, the astronomers learned that the heliosphere has a smooth but defined boundary between the two types of plasma. Ashley Strickland, CNN, "What Voyager 2 has learned since entering interstellar space," 4 Nov. 2019 Ford was sidelined for 27 days beginning early in training camp and had a platelet-rich plasma injection to promote healing in his knee. Eric Branch,, "49ers’ Ford sidelined due to knee issue; Tartt has toe injury," 18 Sep. 2019 There are a few treatments, like platelet-rich plasma injections, that do work. Ivana Rihter, Allure, "The Complete Guide to Hair Loss for Women," 22 Aug. 2019 Bergeron received a platelet-rich plasma shot in July, which knocked his rehab and training off-schedule by two weeks., "Patrice Bergeron," 10 Sep. 2019 An electric discharge separates the nuclei and electrons to create a light-density plasma. Giulia Pacchioni, Scientific American, "The Road to Fusion," 26 Aug. 2019 Commonwealth's Attorney Cheryl Wilson said the suspect had donated plasma at the center in the past. CBS News, "Authorities identify man who stabbed 3 people at Virginia plasma center," 5 July 2019 Just after the big bang, glowing plasma—hot, ionized gas—filled the expanding universe. Scientific American, "Drenchable Drones, Prickly Cells and Face-Tracked Chimps: Science GIFs to Start Your Week," 16 Sep. 2019 CSL Plasma, a plasma donation center, has leased 15,265 square feet of space in the former Rite Aid building at 1971 Government St., at The Loop in Mobile, according to Nathan Handmacher of Stirling Properties, who represented the landlord. Kathy Jumper, al, "New restaurants coming to Legacy Village," 25 Aug. 2019

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.

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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

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Statistics for plasma

Last Updated

14 Nov 2019

Time Traveler for plasma

The first known use of plasma was in 1517

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More Definitions for plasma


How to pronounce plasma (audio)

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


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

Kids Definition of plasma

: the watery part of blood, lymph, or milk


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

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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 Encyclopedia article about plasma

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