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Definition of pachygyria

pachygyria

/ˌpækɪˈdʒaɪriə/
pach · y · gy · ri · a
Adjective:pachygyric
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pachygyria Lexical Profile

pachygyria Game Scores & Validity

• noun

1

A congenital developmental disorder of the brain characterized by unusually thick and broad convolutions (gyri) of the cerebral cortex, resulting from abnormal neuronal migration during embryonic development.

Example

"The pediatric neurologist noted widespread pachygyria on the MRI, which explained the infant's severe developmental delays and early-onset seizures."

Synonyms
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Antonyms
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• Rhymes for pachygyria

• Nearby Words

pachycare
pachycephalosaurus
pachyderm
pachygyria
pachysandra
pachystachys
pacific

Word Origin & Etymology

Derived from the Greek words 'pachys' meaning 'thick', 'gyros' meaning 'ring' or 'convolution', combined with the medical suffix '-ia' denoting a condition.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Pachygyria. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/pachygyria
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