Definition of plasma noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈplæzmə//
    ; NAmE NAmE//ˈplæzmə//
    (also plasm
    BrE BrE//ˈplæzəm//
    ; NAmE NAmE//ˈplæzəm//
    [uncountable] Molecules and matter
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  1. 1 (biology or medical) the clear liquid part of blood, in which the blood cells, etc. float
  2. 2 (physics) a gas that contains approximately equal numbers of positive and negative electric charges and is present in the sun and most stars See related entries: Molecules and matter
  3. Word Originearly 18th cent. (in the sense ‘mould, shape’): from late Latin, literally ‘mould’, from Greek plasma, from plassein ‘to shape’.
See the Oxford Advanced American Dictionary entry: plasma

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