plasma

Concise Oxford English Dictionary © 2008 Oxford University Press:
plasma /ˈplazmə/

▶noun

• 1 the colourless fluid part of blood, lymph, or milk, in which corpuscles or fat globules are suspended.

• 2 Physics a gas of positive ions and free electrons with little or no overall electric charge.

• 3 a bright green translucent ornamental variety of quartz.

• 4 (also plasm /ˈplaz(ə)m/) cytoplasm or protoplasm.

– derivatives
plasmatic adjective,
plasmic adjective.

– origin C18 (in the sense ‘mould, shape’): from late L., from Gk plasma, from plassein ‘to shape’.