plasma
noun /ˈplæzmə/
/ˈplæzmə/
(also plasm
[uncountable] /ˈplæzəm/
/ˈplæzəm/
)- (biology or medical) the clear liquid part of blood, in which the blood cells, etc. floatTopics Bodyc2
- (physics) a gas that contains approximately equal numbers of positive and negative electric charges and is present in the sun and most starsTopics Physics and chemistryc2
Word Originearly 18th cent. (in the sense ‘mould, shape’): from late Latin, literally ‘mould’, from Greek plasma, from plassein ‘to shape’.