- Craniometry. the ratio of the breadth of a face to its height.
Origin of facial index
First recorded in 1885–90
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- the ratio of the length of the face to the width of the face multiplied by 100: often used in comparative anthropologyCompare cranial index
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