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English definition of “plastic”

plastic

noun uk   /ˈplæs.tɪk/ us  

plastic noun (SUBSTANCE)

A2 [C or U] an artificial substance that can be shaped when soft into many different forms and has many different uses: He put a sheet of plastic over the broken window. Those flowers aren't real - they're made of plastic. plastics [U] the process or business of producing plastic: The company has moved into plastics. the plastics industry

plastic noun (MONEY)

[U] (also plastic money) credit cards or debit cards, rather than money in the form of notes, coins, or cheques: I'd prefer a restaurant where they take plastic.

plastic

adjective uk   /ˈplæs.tɪk/ us  

plastic adjective (SUBSTANCE)

A2 made of plastic: a plastic bag/box/cup

plastic adjective (FALSE)

disapproving artificial or false: I hate the hostesses' false cheerfulness and plastic smiles.

plastic adjective (SOFT)

soft enough to be changed into a new shape: Clay is a very plastic material. This metal is plastic at high temperatures.
(Definition of plastic from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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