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plasma (n.)

1712, "form, shape" (earlier plasm), from Late Latin plasma, from Greek plasma "something molded or created," hence "image, figure; counterfeit, forgery; formed style, affectation," from plassein "to mold," originally "to spread thin," from PIE *plath-yein, from root *pele- (2) "flat; to spread." Sense of "liquid part of blood" is from 1845; that of "ionized gas" is 1928.

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Definitions of plasma from WordNet

plasma (n.)
the colorless watery fluid of the blood and lymph that contains no cells, but in which the blood cells (erythrocytes, leukocytes, and thrombocytes) are suspended;
Synonyms: plasm / blood plasma
plasma (n.)
a green slightly translucent variety of chalcedony used as a gemstone;
plasma (n.)
(physical chemistry) a fourth state of matter distinct from solid or liquid or gas and present in stars and fusion reactors; a gas becomes a plasma when it is heated until the atoms lose all their electrons, leaving a highly electrified collection of nuclei and free electrons;
particles in space exist in the form of a plasma
From wordnet.princeton.edu