Plas"mic (?), a. Of, pertaining to, or connected with, plasma;
plasmatic.
Plas"min (?), n. (Physiol. Chem.) A proteid body, separated by some
physiologists from blood plasma. It is probably identical with
fibrinogen.
Plas*mo"di*al (?), a. (Biol.) Of or pertaining to, or like, a
plasmodium; as, the plasmodial form of a life cycle.
||Plas*mo"di*um (?), n.; pl. Plasmodia (#). [NL. See Plasma.] 1.
||(Biol.) A jellylike mass of free protoplasm, without any union of
||amúboid cells, and endowed with life and power of motion.
2. (Zoˆl.) A naked mobile mass of protoplasm, formed by the union of
several amúbalike young, and constituting one of the stages in the life
cycle of Mycetozoa and other low organisms.
Plas"mo*gen (?), n. [Plasma + -gen.] (Biol.) The important living
portion of protoplasm, considered a chemical substance of the highest
elaboration. Germ plasm and idioplasm are forms of plasmogen.
||Plas"son (?), n. [NL., fr. Gr. &?; to form.] (Biol.) The albuminous
||material composing the body of a cytode.
It is considered simpler than protoplasm of an ordinary cell in that it
has not undergone differentiation into the inner cell nucleus and the
outer cell substance. Haeckel.
Plas"ter (?), n. [AS., a plaster (in sense 1), fr. L. emplastrum, Gr.
&?;, &?;, fr. &?; to daub on, stuff in; &?; in + &?; to mold: cf. OF.
plastre a plaster (in sense 2), F. pl‚tre. Cf. Plastic, Emplaster,
Piaster.] [Formerly written also plaister.] 1. (Med.) An external
application of a consistency harder than ointment, prepared for use by
spreading it on linen, leather, silk, or other material. It is adhesive
at the ordinary temperature of the body, and is used, according to its
composition, to produce a medicinal effect, to bind parts together,
etc.; as, a porous plaster; sticking plaster.
2. A composition of lime, water, and sand, with or without hair as a
bond, for coating walls, ceilings, and partitions of houses. See
Mortar.
3. Calcined gypsum, or plaster of Paris, especially when ground, as
used for making ornaments, figures, moldings, etc.; or calcined gypsum
used as a fertilizer.
Plaster cast, a copy of an object obtained by pouring plaster of Paris
mixed with water into a mold. -- Plaster of Paris. [So called because
originally brought from a suburb of Paris.] (Chem.) Anhydrous calcium
sulphate, or calcined gypsum, which forms with water a paste which soon
sets or hardens, and is used for casts, moldings, etc. The term is
loosely applied to any plaster stone or species of gypsum. -- Plaster
of Paris bandage (Surg.), a bandage saturated with a paste of plaster
of Paris, which on drying forms a perfectly fitting splint. -- Plaster
stone, any species of gypsum. See Gypsum.
Plas"ter, v. t. [imp. & p. p. Plastered (?); p. pr. & vb. n.
Plastering.] [Cf. OF. plastrer to plaster (in sense 2), F. pl‚trer.] 1.
To cover with a plaster, as a wound or sore.
2. To overlay or cover with plaster, as the ceilings and walls of a
house.
3. Fig.: To smooth over; to cover or conceal the defects of; to hide,
as with a covering of plaster. Bale.
Plas"ter*er (?), n. 1. One who applies plaster or mortar. "Thy father
was a plasterer." Shak.
2. One who makes plaster casts. "The plasterer doth make his figures by
addition." Sir H. Wotton.
Plas"ter*ing, n. 1. Same as Plaster, n., 2.