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Origin and history of plasma

plasma(n.)

1712, "form, shape" (a sense now obsolete), a more classical form of 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 "the liquid part of blood, etc., as distinguished from the corpuscles" is from 1845. In physics, the sense of "ionized gas" is by 1928.

Entries linking to plasma

1610s, "mold or matrix in which anything is cast or formed to a particular shape" (a sense now obsolete); see plasma. In biology, the meaning "living matter of a cell, protoplasm" is attested by 1864.

by 1832, "plastic, formative;" by 1864, "of the nature of (blood) plasma," a modern adjective formed from the stem of plasma (q.v.) + -ic. Greek plasmatikos meant "imitative."

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