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nitrifier

American

[nahy-truh-fahy-er] / ˈnaɪ trəˌfaɪ ər /

noun

Chemistry, Biology.

any of the bacteria or other microbes, as those found in soil, that convert ammonia or ammonium compounds to nitrites and then to nitrates.

First recorded in 1900–05; nitrify + -er ¹

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023