plasma

noun plas·ma \ ˈplaz-mə \
Updated on: 19 Nov 2017

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

plasmatic

play \plaz-ˈma-tik\ adjective

Examples of plasma in a Sentence

  1. the plasma that makes up a star

  2. Our new TV is a 50-inch plasma.

Recent Examples of plasma from the Web

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.

Origin and Etymology of plasma

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


PLASMA Defined for English Language Learners

plasma

noun

Definition of plasma for English Language Learners

  • medical : the watery part of blood that contains blood cells

  • : 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 Defined for Kids

plasma

noun plas·ma \ ˈplaz-mə \

Definition of plasma for Students

: the watery part of blood, lymph, or milk

Medical Dictionary

plasma

noun plas·ma \ ˈplaz-mə \

medical Definition of plasma

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


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