prognathous
/prɒɡˈneɪθəs
/ /ˈprɒɡnəθəs /adjective
1Having a projecting lower jaw or chin.
1.1(Of a lower jaw or chin) projecting: her chin was a little prognathous...
- Although the head is worn, a detail shows that the lower part of the face extends down to the trachea at the base of the neck; this roughened area, too massive to be simply a prognathous jaw, must instead represent a full beard.
- Exceedingly tall and gaunt with a long, prognathous jaw, he never took his eyes from me as he went over to an accordion wilted across a stool.
- Enlarged as though in a magnifying mirror, the abundant follicles sprout gut-string stubble as a gentle sleeping smile winks above the prognathous jaw.
Derivatives
prognathic
- The facial profile was categorized as retrognathic, neutral, or prognathic.
- Below the orbits, the face is more prognathic - the nose and jaw protrude farther in front of the braincase - than a human face.
prognathism
- The new skull has a rather unusual combination of features: a flat face, high cheek bones, moderate prognathism, small molars, and it lacks a depression behind the brow ridge.
Origin
Mid 19th century: from pro-2 'before' + Greek gnathos 'jaw' + -ous.