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
Endocrine disruptors interfere with the human reproductive system, leading to genital and reproductive malformations as well as female infertility and a decline in sperm count, according to the Endocrine Society.
—
Sandee Lamotte, CNN, 3 Feb. 2025
Richard Lapointe, who died at age 74 in 2020, had Dandy-Walker syndrome, a rare congenital brain malformation that his lawyers say was a factor in his false confession.
—Landon Mion, Fox News, 26 Jan. 2025
His arteriovenous malformation, that tangle of blood vessels in his brain, had begun to bleed.
—Jon Hamilton, NPR, 14 Jan. 2025
Folic Acid Prevents Neural Tube Defects Neural tube defects (NTDs) are congenital malformations (abnormal growth changes during fetal development) of the central nervous system.
—Melissa Nieves, Verywell Health, 8 Jan. 2025
See all Example Sentences for malformation 
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Sandee Lamotte, CNN, 3 Feb. 2025
Richard Lapointe, who died at age 74 in 2020, had Dandy-Walker syndrome, a rare congenital brain malformation that his lawyers say was a factor in his false confession.
—Landon Mion, Fox News, 26 Jan. 2025
His arteriovenous malformation, that tangle of blood vessels in his brain, had begun to bleed.
—Jon Hamilton, NPR, 14 Jan. 2025
Folic Acid Prevents Neural Tube Defects Neural tube defects (NTDs) are congenital malformations (abnormal growth changes during fetal development) of the central nervous system.
—Melissa Nieves, Verywell Health, 8 Jan. 2025
See all Example Sentences for malformation
Dictionary Entries Near malformation
Cite this Entry
“Malformation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/malformation. Accessed 21 Feb. 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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