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Webster 1913 Edition

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Noun.

[NL., fr. Gr. [GREEK] toothache or gnashing of teeth, fr. [GREEK] a grinder tooth, from [GREEK] a bolt.]

(Med.)

A disease of the teeth, which causes them to loosen and fall out of their sockets.

[Archaic]

gomphiasis ‎(uncountable)

(medicine) A disease of the teeth that causes them to loosen and fall out of their sockets.