malformation
noun
mal·for·ma·tion
ˌmal-fȯr-ˈmā-shən 
-fər-
: 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
Dangers of pesticides Pesticides have been linked in studies to premature births, congenital malformations such as neural tube defects, spontaneous abortions and an increase in genetic damage in humans.
—
Sandee Lamotte, CNN Money, 11 June 2025
More than 65% of the abortions took place due to a lethal fetal anomaly, such as anencephaly, where a baby's brain and skull were missing or incomplete, or congenital heart malformation.
—Hayleigh Colombo, IndyStar, 15 May 2025
Other effects, such as developmental malformations in a fetus and cancer, have also been linked to this surfactant.1312
2.
—Anna Giorgi, Verywell Health, 4 Mar. 2025
After a long, eight-year battle, in which the hospital claimed that Maura had a genetic underlying vascular malformation in the brain, jurors sided with the Gallaghers, concluding that Maura's death was preventable.
—Gillian Telling, People.com, 9 May 2025
See All Example Sentences for malformation
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Sandee Lamotte, CNN Money, 11 June 2025
More than 65% of the abortions took place due to a lethal fetal anomaly, such as anencephaly, where a baby's brain and skull were missing or incomplete, or congenital heart malformation.
—Hayleigh Colombo, IndyStar, 15 May 2025
Other effects, such as developmental malformations in a fetus and cancer, have also been linked to this surfactant.1312
2.
—Anna Giorgi, Verywell Health, 4 Mar. 2025
After a long, eight-year battle, in which the hospital claimed that Maura had a genetic underlying vascular malformation in the brain, jurors sided with the Gallaghers, concluding that Maura's death was preventable.
—Gillian Telling, People.com, 9 May 2025
See All Example Sentences for malformation
Cite this Entry
“Malformation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/malformation. Accessed 29 Jul. 2025.
Copy CitationKids Definition
malformation
noun
mal·for·ma·tion
ˌmal-fȯr-ˈmā-shən
-fər-
: a misshapen, abnormal, or faulty formation or structure
malformation of the knee joint
Medical Definition
malformation
noun
mal·for·ma·tion
ˌmal-fȯr-ˈmā-shən, -fər-
: irregular, anomalous, abnormal, or faulty formation or structure
congenital malformations
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