n. (also plasm) 1 the colourless fluid part of blood, lymph, or milk, in which corpuscles or fat-globules are suspended. 2 = PROTOPLASM. 3 a gas of positive ions and free electrons with an approximately equal positive and negative charge. 4 a green variety of quartz used in mosaic and for other decorative purposes. plasmatic adj. plasmic adj.
[ LL, = mould f. Gk plasma -atos f. plasso to shape ]