fertilize

verb

fer·​til·​ize ˈfər-tə-ˌlīz How to pronounce fertilize (audio)
fertilized; fertilizing

transitive verb

: to make fertile: such as
a
: to apply a fertilizer to
fertilize land
b
: to cause the fertilization of
fertilizable adjective

Examples of fertilize in a Sentence

A single sperm fertilizes an egg. Bees fertilize plants as they collect nectar from flowers. He fertilizes the lawn every year. The soil is so rich there is no need to fertilize.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
By some estimates, preimplantation testing is used in close to half of IVF cycles in the U.S. PGT-A is a screening test performed after a patient’s eggs have been retrieved and fertilized to create embryos, but before any of those embryos have been transferred to her uterus. Jamie Ducharme, TIME, 6 Mar. 2025 Learn more about nutrient requirements and the best time to fertilize roses. Mary Marlowe Leverette, Southern Living, 2 Mar. 2025 Since fir bark contains virtually no nutrients, plants have to be fertilized on a regular basis. Dawn Pettinelli, Hartford Courant, 1 Mar. 2025 Restoring the North Yuba River Spring-run Chinook salmon returned to the cool waters of the North Yuba River first as eggs, fertilized at Feather River Fish Hatchery in Oroville and embedded in October in the river’s gravel, similar to how adult salmon spawn, according to a news release. Jake Goodrick, Sacramento Bee, 25 Feb. 2025 See All Example Sentences for fertilize

Word History

First Known Use

1621, in the meaning defined above

Time Traveler
The first known use of fertilize was in 1621

Browse Nearby Words

Cite this Entry

“Fertilize.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fertilize. Accessed 9 Mar. 2025.

Kids Definition

fertilize

verb
fer·​til·​ize ˈfərt-ᵊl-ˌīz How to pronounce fertilize (audio)
fertilized; fertilizing
: to make fertile: as
a
: to cause the fertilization of
also : to unite with in the process of fertilization
a sperm fertilizes an egg
b
: to apply a fertilizer to
fertilize land

More from Merriam-Webster on fertilize

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!