[ mak-roh-suh-fal-ik ]
/ ˌmæk roʊ səˈfæl ɪk /


Cephalometry. being or having a head with a large cranial capacity.
Craniometry. being or having a skull with a large cranial capacity.
Also mac·ro·ceph·a·lous [mak-roh-sef-uh-luh s] /ˌmæk roʊˈsɛf ə ləs/.

Origin of macrocephalic

1850–55; < Greek makroképhal(os) large-headed (see macro-, -cephalous) + -ic
Related formsmac·ro·ceph·a·ly, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for macrocephaly

  • Pathological terminology includes the following nomenclature: macrocephaly, sub-macrocephaly, submicrocephaly, microcephaly.

    Pedagogical Anthropology|Maria Montessori
  • In rickets, for instance, macrocephaly may occur in conjunction with a normal or even supernormal intelligence (Leopardi).

    Pedagogical Anthropology|Maria Montessori
  • If we find a circumference greater than normal, we are beginning to enter upon the anomaly which goes by the name of macrocephaly.

    Pedagogical Anthropology|Maria Montessori

British Dictionary definitions for macrocephaly


less commonly macrocephalia (ˌmækrəʊsɪˈfeɪlɪə)

/ (ˌmækrəʊˈsɛfəlɪ) /


the condition of having an abnormally large head or skull
Derived Formsmacrocephalic (ˌmækrəʊsɪˈfælɪk) or macrocephalous, adjective
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

Word Origin and History for macrocephaly



1851, from Greek makrokephalos; see macro-. Second element is from Greek kephale "head" (see cephalo-). Related: Macrocephalous; macrocephaly.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for macrocephaly


[ măk′rō-sĕfə-lē ]


Abnormal largeness of the head.megacephaly megalocephaly
Related formsmac′ro•ce•phalic (-sə-fălĭk) null adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.