plastic

adjective

molding or shaping matter; formative
1. capable of being molded or shaped
2. made of a plastic
in a flexible or changing state; impressionable
dealing with molding or modeling, as in sculpture
☆
1. characterized by or exhibiting superficiality or a lack of originality; dehumanized; mass-produced: the plastic world of television advertising
2. hypocritically false or synthetic; phony: a plastic smile
☆ Informal of or designating a credit card or credit cards, or credit based on their use: plastic money
Biol. capable of readily changing or adapting in form, physiology, or behavior
Med.
1. of or helpful in the renewal of destroyed or injured tissue
2. that can be so renewed
Physics capable of continuous and permanent change of shape in any direction without breaking apart

noun

any of various nonmetallic compounds, synthetically produced, usually from organic compounds by polymerization, which can be molded into various forms and hardened, or formed into pliable sheets or films, fibers, flexible or hard foams, etc. for commercial use
something made of plastic
Informal a credit card or credit cards, or credit based on their use

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