Translation guide
The jawbone is the bone forming the lower jaw. In Japanese, it is most commonly referred to as あごの骨, but there are also anatomical terms and related expressions.
Referring to the physical bone itself, in everyday or medical contexts.
The most common and natural way to say 'jawbone' in everyday Japanese. Literally 'chin bone'.
I fell and broke my jawbone.
The formal anatomical term for the mandible or lower jawbone. Used in medical contexts.
A fracture of the mandible may require surgery.
A general term for jawbone, can refer to either upper or lower jaw. Less specific than 下顎骨.
An abnormality was found in the jawbone.
Describing the jawline or the bone structure of the face, often in casual or aesthetic contexts.
While あご usually means 'chin' or 'jaw', it can refer to the jawbone area in context. Often used in phrases like 'sharp jawline'.
He has a strong jawbone.
Refers specifically to the gonial angle or the back part of the jawbone. Often used in beauty contexts for a wide jaw.
Use あごの骨 in everyday conversation. 下顎骨 is strictly medical and would sound overly technical in casual speech.
The dentist said 'mandible'.
You have a nice jawline.
A face with a wide jawbone.