plasma

[noncount] medical : the watery part of blood that contains blood cells

[noncount] technical : a substance that is similar to a gas but that can carry electricity

a  [noncount] : 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 — usually used before another noun

b  [count] : a television with a plasma screen