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interdental


in·ter·den·tal

adj \ˌin-tər-ˈden-təl\

Definition of INTERDENTAL

1
: situated or intended for use between the teeth
2
: formed with the tip of the tongue between the upper and lower front teeth
in·ter·den·tal·ly \-təl-ē\ adverb

First Known Use of INTERDENTAL

circa 1874

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