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cosmetic surgery
cosmetic surgery plastic surgery for cosmetic purposes, such as the improvement of the appearance of the face by removing wrinkles or reshaping the nose.
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plastic
plastic any organic material with the ability to flow into a desired shape when heat and pressure are applied to it and to retain the shape when they are withdrawn.
Composition and Types of Plastic
A plastic is made up principally of a binder together with plasticizers, fillers, pigments,...
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celluloid
celluloid [from cellulose ], transparent, colorless synthetic plastic made by treating cellulose nitrate with camphor and alcohol. Celluloid was the first important synthetic plastic and was widely used as a substitute for more expensive substances, such as ivory, amber, horn, and tortoiseshell....
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polyvinyl chloride
polyvinyl chloride (PVC), thermoplastic that is a polymer of vinyl chloride. Resins of polyvinyl chloride are hard, but with the addition of plasticizers a flexible, elastic plastic can be made. This plastic has found extensive use as an electrical insulator for wires and cables. Cloth and pape...
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polyacrylics
polyacrylics , group of thermoplastics that are transparent and highly decorative (see plastic ). The polyacrylics, or acrylic plastics, are polymers (and copolymers) of derivatives of acrylic acid, H 2 C[symbol]CH-COOH. The best-known acrylic plastic, sold under the trade names Plexiglas and Luc...
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vinyl plastics
vinyl plastics group of thermoplastics used in molded products, flexible tubing, material for raincoats, and laminated safety glass. Vinyl plastics are polymers and copolymers of vinyl derivatives (i.e., derivatives of ethylene, H 2 C[symbol]CH 2 ), e.g., vinyl chloride (H 2 C=CHCl) and vinyl a...
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Coalville
Coalville town (1991 pop. 28,831), Leicestershire, central England. Coalville is a modern town in the center of the Leicestershire coal field. Mining is prevalent, and other industries include hosiery, footwear, and plastics production.
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San Carlos
San Carlos , residential city (1990 pop. 26,167), San Mateo co., W Calif.; inc. 1925. The chief manufactures are plastic products, hardware, and machine parts.
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Wallington
Wallington borough (1990 pop. 10,828), Bergen co., NE N.J., on the Passaic River opposite Passaic; inc. 1895. Manufactures include paint, pens, medical equipment, and plastics.
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composite material
composite material or composite, any material made from at least two discrete substances, such as concrete. Many materials are produced as composites, such as the fiberglass -reinforced plastics used for automobile bodies and boat hulls, but the term usually is used to describe any of various ...
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