improver

[im-proo-ver]

noun

1. a person or thing that improves.

2. a substance or agent added to improve a food, especially as a preservative.

Word History and Origins

Origin of improver¹

First recorded in 1640–50; improve + -er ¹

Example Sentences

The average price of fertilizer and soil improvers almost doubled in the first quarter of the year compared with the same period in 2021, while energy and lubricant prices rose by 55.6%.

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Afforestation, not deforestation, was a signal achievement of U.S. “improvers.”

Read more on Los Angeles Times

Today, it seems incredible that lead was ever used as a performance improver in car engines.

Read more on The Guardian

Around two billion paper notes will be withdrawn and recycled to be used as a soil improver for agriculture.

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Rugby championship winner South Africa, England and Six Nations Grand Slam winner Wales have all been big improvers in 2019.

Read more on Seattle Times