fertilizer
noun
fer·til·iz·er
ˈfər-tə-ˌlī-zər 
: 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
Nutrient deficiencies are unlikely to cause leaf browning, so fertilizer is not the answer to brown leaves.
—
Leanne Potts, Better Homes & Gardens, 28 Jan. 2026
Cleaning Products And Chemicals Paint, fertilizer, weed killer, pool cleaners, and other temperature-sensitive chemicals should be brought indoors for the winter to prevent freezing and deterioration.
—Karen Brewer Grossman, Southern Living, 27 Jan. 2026
Naig also has defended the state’s efforts to improve water quality in Iowa, which hinge in part on farmers voluntarily adopting conservation practices and helping build infrastructure like wetlands that cut fertilizer runoff into waterways.
—Donnelle Eller, Des Moines Register, 26 Jan. 2026
In more recent decades, fertilizer use has continued to rise.
—Dinesh Phuyal, The Conversation, 26 Jan. 2026
See All Example Sentences for fertilizer
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Leanne Potts, Better Homes & Gardens, 28 Jan. 2026
Cleaning Products And Chemicals Paint, fertilizer, weed killer, pool cleaners, and other temperature-sensitive chemicals should be brought indoors for the winter to prevent freezing and deterioration.
—Karen Brewer Grossman, Southern Living, 27 Jan. 2026
Naig also has defended the state’s efforts to improve water quality in Iowa, which hinge in part on farmers voluntarily adopting conservation practices and helping build infrastructure like wetlands that cut fertilizer runoff into waterways.
—Donnelle Eller, Des Moines Register, 26 Jan. 2026
In more recent decades, fertilizer use has continued to rise.
—Dinesh Phuyal, The Conversation, 26 Jan. 2026
See All Example Sentences for fertilizer
Cite this Entry
“Fertilizer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fertilizer. Accessed 4 Feb. 2026.
Copy CitationKids Definition
fertilizer
noun
fer·til·iz·er
ˈfərt-ᵊl-ˌī-zər
: a substance (as manure or a chemical) used to make soil produce larger or more plant life
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