preservative
US /prɪˈzɝː.və.t̬ɪv/
UK /prɪˈzɝː.və.t̬ɪv/
1.
a substance used to preserve foodstuffs, wood, or other materials.
:
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Many processed foods contain artificial preservatives.
•
This wood preservative protects against rot and insects.
a substance used to preserve foodstuffs, wood, or other materials.