plas·ter /ˈplæstɚ/ 名詞
Plas·ter n. [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.
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.]
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.
n 1: a mixture of lime or gypsum with sand and water; hardens
into a smooth solid; used to cover walls and ceilings
2: any of several gypsum cements; a white powder (a form of
calcium sulphate) that forms a paste when mixed with water
and hardens into a solid; used in making molds and
sculptures and casts for broken limbs [syn: plaster of
3: a medical dressing consisting of a soft heated mass of meal
or clay that is spread on a cloth and applied to the skin
to treat inflamed areas or improve circulation etc. [syn:
4: a hardened surface of plaster (as on a wall or ceiling);
"there were cracks in the plaster" [syn: plasterwork]
5: adhesive tape used in dressing wounds [syn: adhesive
plaster, sticking plaster]
v 1: cover conspicuously, as by pasting something on; "The
demonstrators plastered the hallways with posters"
2: affix conspicuously; "She plastered warnings all over the
3: apply a plaster cast to; "plaster the broken arm"
4: apply a heavy coat to [syn: plaster over, stick on]
5: coat with plaster; "daub the wall" [syn: daub]
6: dress by covering with a therapeutic substance [syn: poultice]