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macrocephaly

British

/ ˌmækrəʊˈsɛfəlɪ, ˌmækrəʊsɪˈfeɪlɪə, ˌmækrəʊsɪˈfælɪk /

noun

the condition of having an abnormally large head or skull

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

macrocephalic adjective

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Scientists suspect that a mutated Pten gene is one of the contributing factors to autism and have shown its association with macrocephaly, the abnormal development of an enlarged brain and head.

From Science Daily • Dec. 13, 2023

For instance, duplications within the chromosomal region 1q21 are associated with autism and macrocephaly, while deletions are linked to schizophrenia and microcephaly.

From Salon • Jun. 9, 2018

Augmentation of the volume of the head is called macrocephaly, and there are a number of curious examples related.

From Anomalies and Curiosities of Medicine by Pyle, Walter L. (Walter Lytle)

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023