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improver - 2 dictionary results

im⋅prov⋅er

[im-proo-ver]
–noun
1. a person or thing that improves.
2. a substance or agent added to improve a food, esp. as a preservative.

Origin:
1640–50; improve + -er 1

Improver

Im*prov"er\, n. One who, or that which, improves.
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