Cephalometry, Craniometry. the ratio of the greatest breadth of the head to its greatest length from front to back, multiplied by 100.
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Origin of cephalic index
First recorded in 1865–70
Words nearby cephalic index
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for cephalic index
the ratio of the greatest width of the human head to its greatest length, multiplied by 100
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
Medical definitions for cephalic index
The ratio of the maximum width of the head to its maximum length, multiplied by 100.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.