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1. Oxford American Dictionary

   plastic

   • IPA[ˈplastik]

   美式

   • n.
     a synthetic material made from a wide range of organic polymers such as polyethylene, PVC, nylon, etc., that can be molded into shape while soft and then set into a rigid or slightly elastic form；credit cards or other types of plastic card that can be used as money
   • adj.
     made of plastic；not genuine; artificial or unnatural
2. • 釋義

   n.

   名詞

   • 1. a synthetic material made from a wide range of organic polymers such as polyethylene, PVC, nylon, etc., that can be molded into shape while soft and then set into a rigid or slightly elastic form bottles can be made from a variety of plastics
   • ▪ credit cards or other types of plastic card that can be used as money he pays with cash instead of with plastic

   adj.

   形容詞

   • 1. made of plastic plastic bottles
   • ▪ not genuine; artificial or unnatural she smiled a little plastic smile long-distance flights with their plastic food 同義詞 artificial, false, synthetic, fake, superficial, ... 更多pseudo, sham, bogus, ersatz, assumed, spurious, specious, unnatural, insincere, informalphoney, pretend反義詞 genuine
   • 2. (of a substance or material) easily shaped or molded rendering the material more plastic 同義詞 malleable, moldable, shapable, pliable, pliant, ... 更多ductile, flexible, soft, workable, supple, bendable, informalbendy, rarefictile反義詞 rigid
   • ▪ offering scope for creativity the writer is drawn to words as a plastic medium
   • ▪ exhibiting adaptability to change or variety in the environment.
   • ▪ (in art) relating to molding or modeling in three dimensions, or producing three-dimensional effects the plastic arts
   • ▪ (in science and technology) relating to the permanent deformation of a solid without fracture by the temporary application of force.