mandibular

IPA/mænˈdɪb.jə.lər/
KK[mˌændˈɪbjulɚ]IPA/mænˈdɪb.jə.lɚ/

mandibular — adjective

  • mandibularpositive
  • more mandibularcomparative
  • most mandibularsuperlative

1. describing or involving the lower jaw bone of a human or vertebrate animal, incl

1.adjectiveC1
Definition

describing or involving the lower jaw bone of a human or vertebrate animal, including its associated teeth, nerves, and blood vessels

Example

Dr. Chen examined the patient's mandibular fracture using a series of X-ray images.

collocation: mandibular fracture

Aoi's wisdom teeth became impacted because her mandibular arch was too narrow.

collocation: mandibular arch

Common collocations
  • mandibular fracture
  • mandibular nerve
  • mandibular arch
  • mandibular advancement
  • mandibular joint
  • mandibular bone
  • mandibular canal
Synonyms
  • lower-jaw

    less formal, used in non-technical descriptions

  • jaw

    broader term that includes both upper and lower jaw

  • gnathic

    technical term covering the whole jaw region, more general than 'mandibular'

Antonyms
  • maxillary

    refers specifically to the upper jaw bone, the opposite of 'mandibular'

Grammar Patterns

mandibular + noun

Usage Note

Almost always used before a noun — for example, 'mandibular nerve', 'mandibular fracture'. The standalone noun for the bone itself is 'mandible'.

Common Mistakes

The doctor examined the patient's mandibular.
The doctor examined the patient's mandible.
'mandibular' is an adjective; the noun form is 'mandible' when referring to the bone itself.

mandibular — noun

Word family

  • mandible
    nounC1
  • mandibularly
    adverbC2
  • mandibulate
    adjectiveC2
  • mandibulofacial
    adjectiveC2
  • mandibula
    nounC2

Synonym discussion

Sense: adjective/1

'Mandibular' refers strictly to the lower jaw — the bone, nerves, teeth, and other structures that belong to it. 'Maxillary' describes the upper jaw and is its direct anatomical opposite, so confusing the two is a common error in medical contexts. 'Gnathic' is a broader technical term that covers the entire jaw region (both upper and lower) and is used in fields like craniofacial surgery and anthropology. 'Submandibular' means 'below the lower jaw' and refers to a specific anatomical region, such as the submandibular gland. In everyday clinical use, a 'mandibular fracture' involves the lower jaw bone; a 'maxillary fracture' involves the upper jaw; and a 'gnathic assessment' looks at the whole jaw complex.

mandibular ↗maxillarygnathicsubmandibular

Common collocations

Nouns

  • mandibular bone
  • mandibular nerve
  • mandibular fracture
  • mandibular arch
  • mandibular joint
  • mandibular canal
  • mandibular gland
  • mandibular artery

Phrases

  • mandibular advancement device
  • mandibular condyle
  • mandibular symphysis
  • mandibular foramen

Prepositions

  • mandibular + fracture (of the mandible)
  • mandibular + nerve (in the jaw)
  • mandibular + joint (between skull and jaw)

Etymology

LatinFrenchEnglish

The word 'mandibular' comes from the Latin 'mandibula' (jaw, literally 'that which is used for chewing'), which itself derives from 'mandere' (to chew). The suffix '-ar' (from Latin '-aris') means 'relating to' or 'pertaining to'. The path traces: Latin 'mandere' → 'mandibula' → '-aris' → Middle French 'mandibulaire' → English 'mandibular' (mid-17th century).

First known use

15th century

15th century, in the meaning defined at sense 1a