Popular Terms
Chemical added to a food or material to prevent (for a reasonable time) the growth of microorganisms, or occurrence of undesirable chemical reactions (such as oxidation), that spoil it.

Use 'preservative' in a Sentence

You may need to use some sort of preservative in your products to make sure that they last for awhile.
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I did not like the food that ad a little extra preservative pumped into it, because that meant it was not good for me.
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The advancement of genetically modified food has made the need of after harvest preservatives more a dying tradition than a necessary process.
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