plas ‧ ma /ˈplæzmə/ BrE AmE noun [uncountable]
[ Date: 1700-1800 ; Language: Late Latin ; Origin: 'something shaped' , from Greek , from plassein ; ⇨ ↑ plastic 2 ]
1 . the yellowish liquid part of blood that contains the blood cells
2 . technical the living substance inside a cell SYN protoplasm
3 . technical a gas that contains about the same numbers of positive and negative electric ↑ charge s and is found in the sun and most stars