α. 1800s– pogonion.
β. 1900s– pogonium.
pogonionn.
/pəˈɡəʊnɪən/, U.S. /pəˈɡoʊniən/ Physical Anthropology and Anatomy.
The foremost point on the midline of the chin.
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pogonion1897
button1917
1897 in Lippincott's Med. Dict. Pogonion, the most anterior point of the chin in the middle line; the mental point.
1920 H. H. Wilder Lab. Man. Anthropometry i. i. 47 Pogonion (pg), the most projecting median point of the chin, on the anterior surface (mental process).
1940 Proc. Amer. Philos. Soc. 83 127 Wilder..recognizes a second landmark on the chin just above the gnathion, namely the pogonium, the most projecting median point of the chin.
1977 Proc. Royal Soc. Med. 70 433/2 Mandibular length..was measured from articulare to pogonion on cephalometric radiographs, using calipers.
1982 Internat. Jrnl. Chronobiol. 8 105 The course of swelling after maxillo-facial surgery was investigated by measuring the distance from the tragus to the pogonium.
1989 Brit. Jrnl. Orthodontics 16 160/2 The face height, from the tip of the nose to the soft tissue pogonion, had decreased.
2002 Cosmetic Surg. Times (Nexis) 1 Mar. 10 Protrusion of the lips in the anterior-posterior dimension is based on the line from the subnasal to the soft tissue pogonion, the most anterior point of the chin.
This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).
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n.1897