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gnathion

American

[nay-thee-on, nath-ee-] / ˈneɪ θiˌɒn, ˈnæθ i- /

noun

Craniometry. the lowest point on the anterior margin of the lower jaw in the midsaggital plane.

gnathion British

/ ˈneɪθɪˌɒn, ˈnæθ- /

noun

the lowest point of the midline of the lower jaw: a reference point in craniometry

"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

Etymology

Origin of gnathion

First recorded in 1885–90

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023