prognathous
/prognathous/
Học thuậtThân thiện
Definition
- Adjective:
- Having a projecting lower jaw; specifically, having the lower jaw or the jaws extending forward beyond the upper part of the face. This is a term used in physical anthropology, anatomy, and zoology to describe a facial structure.
Usage
- The term prognathous is a technical, descriptive adjective. It is most commonly used in scientific, medical, or anthropological contexts to classify skull or facial features. It is the opposite of orthognathous (having receding jaws).
Examples
- The fossil's prognathous jaw was a key characteristic that distinguished it from modern human skulls.
- Some primate species have a more prognathous facial profile compared to others.
- The anthropologist noted the prognathous condition in the skeletal remains.
Advanced Usage
- Prognathism (n.): The condition of being prognathous; the degree of projection of the jaw.
- The study measured the prognathism in various hominid species.
Variants and Related Words
- Prognathic (adj.): A less common variant with the same meaning as prognathous.
- Prognathism (n.): The noun form denoting the condition or quality.
- Orthognathous (adj.): The antonym, meaning having jaws that do not project, typically with a vertical facial profile.
Synonyms
- Projecting-jawed
- Protrusive-jawed
Antonyms
- Orthognathous
- Retrognathous (having a receding jaw)
Adjective
- having a projecting lower jaw