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gnathic index

American  

noun

  1. Craniometry. the ratio of the distance from basion to prosthion to the distance from basion to nasion, expressed in percent of the latter.

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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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