preservative - definition in the American English Dictionary - Cambridge Dictionaries Online

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English definition of “preservative”

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preservative

noun [C/U]  us   /prɪˈzɜr·və·t̬ɪv/
a substance that treats food in a particular way so it can be kept for a long time without going bad: [C] artificial/natural preservatives
(Definition of preservative from the Cambridge Academic Content Dictionary © Cambridge University Press)
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