English edit

Etymology edit

bi- +‎ gonia +‎ -al

Adjective edit

bigonial (not comparable)

  1. Pertaining to both gonia, especially to an imaginary line between them.
    • 1913, Henry Lorenz Viereck, New Genus and Species of Hymenoptera of the Family Braconidae from Panama, page 90:
      Broadening of the bigonial diameter independent of these factors is due almost entirely to the action of the masseters, which in some instances results in a marked eversion of the lower portion of the jaw at the angle.
    • 1931, Memoirs of the National Academy of Sciences, page 56:
      The bigonial breadth in absolute figures is slightly larger in the members of more recent than in those of old American ancestry, and identical in the latter with that of the cultured old Americans at large.
    • 1973, Howard Voas Meredith, Virginia B. Knott, Childhood Changes of Head, Face and Dentition, page 152:
      The interrelationship of these factors, with specific reference to the plane of bigonial diameter, is indicated by the following proportion:
    • 2000, Thomas M. Graber, Robert L. Vanarsdall, Orthodontics: Current Principles and Techniques, page 49:
      This patient's bigonial width was greater than the upper face width and out of proportion with the “rule of fifths.”

Synonyms edit