interdental

[in-ter-den-tl] /ˌɪn tərˈdɛn tl/
adjective
1.
between teeth.
2.
Phonetics. articulated with the tip of the tongue between the upper and lower front teeth, as the fricatives (th̸) and (th) of thy and thigh.
Origin
1870-75; inter- + dental
Related forms
interdentally, adverb
British Dictionary definitions for interdental

interdental

/ˌɪntəˈdɛntəl/
adjective
1.
situated between teeth
2.
(phonetics) (of a consonant) pronounced with the tip of the tongue lying between the upper and lower front teeth, as for the th sounds in English thin and then
Derived Forms
interdentally, adverb
interdental in Medicine

interdental in·ter·den·tal (ĭn'tər-děn'tl)
adj.

  1. Located or made for use between the teeth.

  2. Of or relating to the relationship between the proximal surfaces of the teeth of the same arch.