fer·​til·​iz·​er | \ ˈfər-tə-ˌlī-zər How to pronounce fertilizer (audio) \

Definition of fertilizer

: one that fertilizes specifically : a substance (such as manure or a chemical mixture) used to make soil more fertile

Examples of fertilizer in a Sentence

We only use organic fertilizer in our gardens. They use chemical fertilizers on their lawn.
Recent Examples on the Web Olive trees benefit from regular doses of fertilizer. Arricca Elin Sansone, House Beautiful, "How to Care for an Indoor Olive Tree," 22 Dec. 2020 Other causes of leaf discoloration and drop include too wet soil, scale insects and a lack of fertilizer. Tom Maccubbin, orlandosentinel.com, "Bougainvilleas bloom better with more growth," 5 Dec. 2020 Side dress the plants with half a cup of winterizer fertilizer. Calvin Finch, ExpressNews.com, "Calvin Finch: Get ready for fall’s hummingbird migration," 24 Sep. 2020 The dangerous compound could be traced back to a massive shipment of agricultural fertilizer that had been stored in the port of Beirut without safety precautions for years, despite warnings from local officials. Aj Willingham, CNN, "5 things to know for August 6: Coronavirus, Beirut, White House, stimulus, Turkey," 6 Aug. 2020 Ammonium nitrate is a component of fertilizer that is potentially explosive. Fox News, "Beirut explosion leaves 300,000 homeless, Lebanese port officials under house arrest," 6 Aug. 2020 Ammonium nitrate is a component of fertilizer that is potentially explosive. Arkansas Online, "Lebanon to put some Beirut port officials under house arrest," 5 Aug. 2020 Ammonium nitrate is a component of fertilizer that is potentially explosive. Bassem Mroue, BostonGlobe.com, "Negligence probed in deadly Beirut blast amid public anger," 5 Aug. 2020 This was because the marketplace was being bum-rushed by freelancers whose previous experience in international logistics was, say, importing bat guano as organic fertilizer for cannabis. Doug Bock Clark, New York Times, "Inside the Chaotic, Cutthroat Gray Market for N95 Masks," 17 Nov. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fertilizer.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of fertilizer

circa 1661, in the meaning defined above

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Time Traveler for fertilizer

Time Traveler

The first known use of fertilizer was circa 1661

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Statistics for fertilizer

Last Updated

13 Jan 2021

Cite this Entry

“Fertilizer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fertilizer. Accessed 19 Jan. 2021.

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How to pronounce fertilizer (audio)

English Language Learners Definition of fertilizer

: a substance (such as manure or a special chemical) that is added to soil to help the growth of plants


fer·​til·​iz·​er | \ ˈfər-tə-ˌlī-zər How to pronounce fertilizer (audio) \

Kids Definition of fertilizer

: material added to soil to make it more fertile

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