Definitions

from The Century Dictionary.

  • noun In pathol. anat., absence of the lower jaw, due to arrested development.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun pathology A birth defect in which the mandible is missing.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Ancient Greek ἀ- (a-, "without") + γνάθος (gnathos, "jaw") + -ia.

Examples

  • n. - state of being unable to swallow. adj. - having same male forefather; allied; Law, related on father's side; n. such relative. agnation, agnathous adj. - lacking jaws. agnathia, n. agnoiology

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