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2017 Word of the Year

periodontal

[per-ee-uh-don-tl] /ˌpɛr i əˈdɒn tl/
adjective, Dentistry.
1.
of or relating to the periodontium.
2.
of or relating to periodontics.
3.
of or relating to the periodontal membrane.
Also, peridental.
Origin of periodontal
1850-1855
First recorded in 1850-55; peri- + -odont + -al1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for periodontal

periodontal

/ˌpɛrɪəˈdɒntəl/
adjective
1.
of, denoting, or affecting the gums and other tissues surrounding the teeth: periodontal 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
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Word Origin and History for periodontal
adj.

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

Online Etymology Dictionary, © 2010 Douglas Harper
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periodontal in Medicine

periodontal per·i·o·don·tal (pěr'ē-ə-dŏn'tl)
adj.

  1. Surrounding or encasing a tooth.

  2. 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.
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