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

This is an organic liquid fertilizer made by extracting the beneficial microbes from compost and encouraging them to reproduce. —Leanne Potts, Better Homes & Gardens, 11 June 2025

And while hydrogen is essential for making fertilizers and potentially useful for making steel or aviation fuels, vehicles and heating are more efficiently powered by electricity than by hydrogen. —Daniel Cohan, The Conversation, 10 June 2025

Producers here are dedicated to reducing their environmental footprint, using organic fertilizers, and embracing natural pest control methods. —Rachel King, Forbes.com, 9 June 2025

Cantaloupes require plenty of water and fertilizer to develop properly, says Ballew. —Lauren David, Southern Living, 8 June 2025

Word History

First Known Use

circa 1661, in the meaning defined above

Phrases Containing fertilizer

• complete fertilizer

Rhymes for fertilizer

• advertiser
• analyser
• analyzer
• appetizer
• atomizer
• breathalyzer
• colonizer
• crystallizer
• digitizer
• equalizer
• localizer
• merchandiser

Kids 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