preservative
pre|serva|tive /prɪz'ɜːrvətɪv/ (preservatives)
[N-MASS]
A preservative is a chemical that prevents things from decaying. Some preservatives are added to food, and others are used to treat wood or metal.
Nitrates are used as preservatives in food manufacture...
[N-MASS]
A preservative is a chemical that prevents things from decaying. Some preservatives are added to food, and others are used to treat wood or metal.
Nitrates are used as preservatives in food manufacture...