fer·​til·​i·​za·​tion ˌfər-tə-lə-ˈzā-shən How to pronounce fertilization (audio)
: an act or process of making fertile: such as
: the application of fertilizer
: an act or process of fecundation, insemination, or pollination
not used technically
: the process of union of two gametes whereby the somatic chromosome number is restored and the development of a new individual is initiated

Examples of fertilization in a Sentence

Recent Examples on the Web If fertility is the issue, treatments like ovulation-inducing medications or in vitro fertilization (IVF) can help. Julia Sullivan, SELF, 18 Apr. 2024 People can choose the gender of their baby with in vitro fertilization (IVF). Wendy Wisner, Health, 16 Apr. 2024 Trump began his video by affirming his support for in-vitro fertilization (IVF), a process that involves fertilizing eggs outside the womb to induce a pregnancy. Nik Popli, TIME, 8 Apr. 2024 On February 16, 2024, the Alabama Supreme Court issued a ruling declaring that embryos created through in vitro fertilization (IVF) should be considered children. Larada Lee, Essence, 2 Apr. 2024 One opponent, an evangelical nonprofit called Liberty Counsel, pointed to an Alabama Supreme Court ruling that determined frozen embryos used for in vitro fertilization were people under Alabama’s Constitution. Romy Ellenbogen, Miami Herald, 2 Apr. 2024 Congress: House Republicans support in vitro fertilization but are divided on how to protect access to it. Elizabeth Robinson, NBC News, 15 Mar. 2024 In vitro fertilization: Senate Bills 301 and373;House Bill 757 After in vitro fertilization (IVF) gained national attention due to a recent Alabama Supreme Court decision, three Kentucky lawmakers introduced bills to protect IVF access. Rebecca Grapevine, The Courier-Journal, 26 Mar. 2024 Protections for in vitro fertilization aren’t expected to be among the list of accomplished laws this legislative session in Idaho, Democrats said Friday. Ian Max Stevenson, Idaho Statesman, 23 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'fertilization.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

circa 1787, in the meaning defined above

Time Traveler
The first known use of fertilization was circa 1787

Dictionary Entries Near fertilization

Cite this Entry

“Fertilization.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fertilization. Accessed 18 May. 2024.

Kids Definition


fer·​til·​i·​za·​tion ˌfərt-ᵊl-ə-ˈzā-shən How to pronounce fertilization (audio)
: an act or process of making fertile
especially : the application of fertilizer
: the union of male and female germ cells to form a zygote

Medical Definition


variants or British fertilisation
: an act or process of making fertile: as
: an act or process of fecundation, insemination, or impregnation
: the process of union of two gametes whereby the somatic chromosome number is restored and the development of a new individual is initiated
fertilize transitive verb
or British fertilise
fertilized or British fertilised; fertilizing or British fertilising

More from Merriam-Webster on fertilization

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