malformation

noun
mal·​for·​ma·​tion | \ ˌmal-fȯr-ˈmā-shən How to pronounce malformation (audio) , -fər-\

Definition of malformation

: irregular, anomalous, abnormal, or faulty formation or structure

Examples of malformation in a Sentence

The condition is marked by malformation of the spine. She underwent surgery to correct a heart malformation.

Recent Examples on the Web

Some studies have linked phthalate exposure to obesity, type 2 diabetes, reduced sperm count, breast cancers, reproductive malformation, infertility, and cardiovascular events. Olivia Fleming & Jenna Rosenstein, Harper's BAZAAR, "The Ultimate Guide to Clean Beauty," 12 Aug. 2019 Her parents, who believe she was abducted, said she was born with holoprosencephaly, a malformation that caused a smaller brain and led to learning and physical disabilities. BostonGlobe.com, "Search for London 15-year-old girl missing in Malaysia enters 2nd week," 12 Aug. 2019 Her Irish-Franco parents, who believe she was abducted, said Saturday that their daughter was born with holoprosencephaly, a malformation that causes her to have a smaller brain and led to learning and physical disabilities. Washington Post, "Search for London teen missing in Malaysia enters 2nd week," 11 Aug. 2019 Tests conducted by the Mayo Clinic in Rochester determined Harris had a congenital condition known as brain arteriovenous malformation. Chris Tomasson, Twin Cities, "Former Vikings guard Mike Harris back in the NFL as uniform inspector," 4 Aug. 2019 June 17, 201902:05 While previous research identified defects in the brains of people with autism through MRIs and autopsies, scientists haven’t fully figured out what mechanisms might explain how those malformations developed. Linda Carroll, NBC News, "Gene mutation in the brain may be early clue to autism, study suggests," 2 July 2019 Another study from Walsh’s group published today reveals that mutations in even a small number of cells can result in severe brain malformations, such as brains that have two cortexes, or are smooth as an egg. Quanta Magazine, "I Contain Multitudes," 21 Aug. 2014 An earlier study had found no connection between methylphenidate and major malformations. Karen Weintraub, USA TODAY, "Why cases of ADHD in young women are skyrocketing," 18 Jan. 2018 At birth, those with FOP often notice malformation of the big toe. Fiza Pirani, ajc, "6 incredibly rare diseases you’ve probably never heard of," 7 June 2018

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

1800, in the meaning defined above

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Statistics for malformation

Last Updated

29 Aug 2019

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Time Traveler for malformation

The first known use of malformation was in 1800

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More Definitions for malformation

malformation

noun

English Language Learners Definition of malformation

medical : a condition in which part of the body does not have the normal or expected shape

malformation

noun
mal·​for·​ma·​tion | \ ˌmal-fȯr-ˈmā-shən How to pronounce malformation (audio) \

Kids Definition of malformation

: something that is badly or wrongly formed

malformation

noun
mal·​for·​ma·​tion | \ ˌmal-fȯr-ˈmā-shən, -fər- How to pronounce malformation (audio) \

Medical Definition of malformation

: irregular, anomalous, abnormal, or faulty formation or structure congenital malformations

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More from Merriam-Webster on malformation

Rhyming Dictionary: Words that rhyme with malformation

Spanish Central: Translation of malformation

Nglish: Translation of malformation for Spanish Speakers

Britannica.com: Encyclopedia article about malformation

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