un·​fer·​til·​ized | \ ˌən-ˈfər-tə-ˌlīzd How to pronounce unfertilized (audio) \

Definition of unfertilized

: not made fertile : not fertilized an unfertilized egg unfertilized soil

Examples of unfertilized in a Sentence

Recent Examples on the Web Scientists suspect that sometime around 1995, a genetic mutation allowed a pet crayfish to reproduce asexually, giving rise to a new, all-female species that could make clones of itself from its unfertilized eggs. Quanta Magazine, "Nature Versus Nurture? Add ‘Noise’ to the Debate.," 23 Mar. 2020 Those who have cut trees to produce a pasture or crop field often use it for just a few years and then, when its unfertilized soil has lost nutrients, abandon it or sell it cheap in one of these informal deals. Juan Forero, WSJ, "Squatters Cut Down the Rainforest. Brazil Wants to Give Them the Land.," 31 Jan. 2020 Their reproductive system is limited, and females will be carrying far fewer unfertilized eggs in the autumn. John Timmer, Ars Technica, "Declining monarch-butterfly populations may be hard to restore," 25 June 2019 For starters, collecting unfertilized eggs is a harrowing business. Deborah Netburn, latimes.com, "How IVF might save northern white rhinos, the world's most endangered species," 4 July 2018 The unfertilized eggs become male drones that do nothing but inseminate the queen—quite literally, flying bags of semen. Ben Huberman, Longreads, "Changing of the Guard, Bee-Style," 22 Sep. 2017 Waste and unfertilized eggs left by the fish become part of the food chain, and some of the sucker fry swimming back to the lake are gobbled up by northern pike, muskie and great blue herons. Michael Hawthorne, chicagotribune.com, "Spying on suckers: Volunteers track migrations of native Great Lakes fish," 12 May 2017 This year, a team led by the Hebrew University of Jerusalem finally produced haploid human embryonic stem cells by forcing unfertilized egg cells to divide. Jonathon Keats, Discover Magazine, "Lab Divides Human Egg Cells," 19 Dec. 2016

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unfertilized.' 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 unfertilized

circa 1775, in the meaning defined above

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Time Traveler for unfertilized

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The first known use of unfertilized was circa 1775

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Cite this Entry

“Unfertilized.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unfertilized. Accessed 20 Oct. 2020.

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More Definitions for unfertilized


un·​fer·​til·​ized | \ -ˈfərt-ᵊl-ˌīzd How to pronounce unfertilized (audio) \

Medical Definition of unfertilized

: not fertilized an unfertilized egg

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