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facial index

noun
  1. Craniometry. the ratio of the breadth of a face to its height.
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Origin of facial index

First recorded in 1885–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for facial index

facial index

noun
  1. the ratio of the length of the face to the width of the face multiplied by 100: often used in comparative anthropologyCompare cranial index
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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