• synonyms


adjective Dentistry.
  1. of or relating to the periodontium.
  2. of or relating to periodontics.
  3. of or relating to the periodontal membrane.
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Origin of periodontal

First recorded in 1850–55; peri- + -odont + -al1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for periodontal


  1. of, denoting, or affecting the gums and other tissues surrounding the teethperiodontal disease
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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

Word Origin and History for periodontal


1848, literally "around the tooth," from peri- + Greek odon (genitive odontos) "tooth" (see tooth).

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Online Etymology Dictionary, © 2010 Douglas Harper

periodontal in Medicine


  1. Surrounding or encasing a tooth.
  2. Relating to or affecting tissues and structures surrounding and supporting the teeth.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.