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interdental

[in-ter-den-tl]
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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.
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Origin of interdental

First recorded in 1870–75; inter- + dental
Related formsin·ter·den·tal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for interdental

interdental

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
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Derived Formsinterdentally, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

interdental in Medicine

interdental

(ĭn′tər-dĕntl)
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.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.