Meaning of “preservative” in the English Dictionary

american-english dictionary

"preservative" in British English

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preservativenoun

uk /prɪˈzɜː.və.tɪv/ us /prɪˈzɝː.və.t̬ɪv/

[ C or U ] a substance used to prevent decay in wood:

a timber/wood preservative
The fence has been treated with preservative.

[ C ] a chemical used to stop food from decaying:

This bread is completely free from artificial preservatives.
No added preservatives.
natural preservatives

(Definition of “preservative” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"preservative" in American English

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preservativenoun [ 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)