plastic

plastic
1. Capable of being formed or molded. 2. A material that can be shaped by pressure or heat to the form of a cavity or mold. [G. plastikos, relating to molding]
- Bingham p. a material that, in the idealized case, does not flow until a critical stress (yield stress) is exceeded, and then flows at a rate proportional to the excess of stress over the yield stress; real materials probably only approach this ideal model.
- modeling p. a thermoplastic material usually composed of gum damar and prepared chalk, used especially for making dental impressions. SYN: impression compound, modeling composition, modeling compound.

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plas·tic 'plas-tik adj
1) made or consisting of a plastic
2) capable of being deformed continuously and permanently in any direction without breaking or tearing
3 a) capable of growth, repair, or differentiation <a \plastic tissue>
b) relating to, characterized by, or exhibiting neural plasticity
4) of, relating to, or involving plastic surgery <\plastic repair>
plastic n
1) a plastic substance specif any of numerous organic synthetic or processed materials that are mostly thermoplastic or thermosetting polymers of high molecular weight and that can be made into objects, films, or filaments
2) an object made of plastic

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plas·tic (plasґtik) [Gr. plastikos, from plassein to form] 1. tending to build up tissues or to restore a lost part. 2. conformable; capable of being molded. 3. a high-molecular-weight polymeric material, usually organic, capable of being molded, extruded, drawn, or otherwise shaped and then hardened into a form. 4. material that can be molded.

Medical dictionary. 2011.

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  • Plastic — Plas tic (pl[a^]s t[i^]k), a. [L. plasticus, Gr. ?, fr. ? to form, mold: cf. F. plastique.] 1. Having the power to give form or fashion to a mass of matter; as, the plastic hand of the Creator. Prior. [1913 Webster] See plastic Nature working to… …   The Collaborative International Dictionary of English

  • plastic — plastic, pliable, pliant, ductile, malleable, adaptable are applied to things and to persons regarded as material susceptible of being modified in form or nature. Something plastic has the quality (as of wax, clay, or plaster) of being soft… …   New Dictionary of Synonyms

  • plastic — [plas′tik] adj. [L plasticus < Gr plastikos < plassein, to form, prob. < IE base * plā , flat, to smooth out > PLAIN1] 1. molding or shaping matter; formative 2. a) capable of being molded or shaped b) made of a plastic …   English World dictionary

  • plastic — plas‧tic [ˈplæstɪk] noun [uncountable] informal a credit card, or credit cards in general: • I m going to have to pay for this with plastic. * * * plastic UK US /ˈplæstɪk/ noun [U] ► INFORMAL MONEY …   Financial and business terms

  • plastic — (pl[a^]s t[i^]k), n. A substance composed predominantly of a synthetic organic high polymer capable of being cast or molded; many varieties of plastic are used to produce articles of commerce (after 1900). [MW10 gives origin of word as 1905]… …   The Collaborative International Dictionary of English

  • plastic — [adj1] flexible, soft; made of manufactured, treated compounds bending, ductile, elastic, fictile, formable, moldable, molded, pliable, pliant, resilient, shapeable, supple, workable; concept 604 Ant. hard, inflexible, stiff plastic [adj2] easily …   New thesaurus

  • plastic — ► NOUN 1) a synthetic material made from organic polymers, that can be moulded into shape while soft and then set into a rigid or slightly elastic form. 2) informal credit cards or other plastic cards that can be used as money. ► ADJECTIVE 1)… …   English terms dictionary

  • -plastic — plas tic ( pl[a^]s t[i^]k). [Gr. ? fit for molding, plastic, fr. ? to mold, to form.] A combining form signifying developing, forming, growing; as, heteroplastic, monoplastic, polyplastic. [1913 Webster] …   The Collaborative International Dictionary of English

  • -plastic — [plas′tik] [< Gr plastikos: see PLASTIC] combining form forming adjectives 1. forming, developing [homoplastic] 2. of or relating to (a given noun ending in PLASM, PLAST, or PLASTY) [rhinoplastic] …   English World dictionary

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