birth defect

noun

: a physical or biochemical defect that is present at birth and may be inherited or environmentally induced

Examples of birth defect in a Sentence

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.
The measure would allow abortions in medical emergencies and cases of fetal anomalies, such as birth defects. Kacen Bayless, Kansas City Star, 16 Apr. 2025 The branch responsible for producing the autism figures is one of the few teams remaining on the job in the CDC's birth defects and disabilities center. Paula Cohen, CBS News, 15 Apr. 2025 Initial attempts at linking the birth defects to the ongoing reclamation of the steelworks were ignored by the council, who, according to the BBC, shared a 1999 Northamptonshire Health Authority study that found no cluster of birth defects. Ct Jones, Rolling Stone, 4 Mar. 2025 Casiano, who lives in Texas, was forced to carry her baby to term even after doctors told her at 20 weeks of pregnancy that her baby had anencephaly, a fatal birth defect, and wouldn’t survive. Chantelle Lee, Time, 28 Mar. 2025 See All Example Sentences for birth defect

Word History

First Known Use

circa 1864, in the meaning defined above

Time Traveler
The first known use of birth defect was circa 1864

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Cite this Entry

“Birth defect.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/birth%20defect. Accessed 5 May. 2025.

Kids Definition

birth defect

noun
: a serious defect (as in physical or mental function) that is present at birth and is inherited or caused by something that happens or exists in the environment

Medical Definition

birth defect

noun
: a physical or biochemical defect (as cleft palate, phenylketonuria, or Down syndrome) that is present at birth and may be inherited or environmentally induced
Last Updated: - Updated example sentences
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