• synonyms


[ per-ee-uh-don-tl ]
/ ˌpɛr i əˈdɒn tl /

adjective Dentistry.

of or relating to the periodontium.
of or relating to periodontics.
of or relating to the periodontal membrane.

Nearby words

periodical, periodical cicada, periodicity, periodide, periodization, periodontal, periodontal disease, periodontal ligament, periodontal membrane, periodontal membrane fiber, periodontics

Origin of periodontal

First recorded in 1850–55; peri- + -odont + -al1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for periodontal


/ (ˌpɛrɪəˈdɒntəl) /


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

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for periodontal


[ pĕr′ē-ə-dŏntl ]


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