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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
Share [Findings] The Journal of Pediatric Genetics retracted a study on Islamic beliefs concerning the possible supernatural causes of birth defects on the grounds that the research lacked a scientific basis.
—Rafil Kroll-Zaidi, Harper's Magazine, 22 Jan. 2025
Exposure over time has been associated with certain cancers, birth defects and cognitive impairment.
—Aria Bendix, NBC News, 14 Jan. 2025
Exposure in the early months of pregnancy could cause permanent birth defects.
—Sheila Jaffe, Sun Sentinel, 12 Jan. 2025
Participants also suggest that their current birthmarks or birth defects correspond to wounds from a previous life.
—Mark Travers, Forbes, 8 Dec. 2024
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Word History
First Known Use
circa 1864, in the meaning defined above
Dictionary Entries Near birth defect
Cite this Entry
“Birth defect.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/birth%20defect. Accessed 30 Jan. 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
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