periodontal

[per-ee-uh-don-tl] Origin

per·i·o·don·tal

[per-ee-uh-don-tl]
adjective Dentistry.
1.
of or pertaining to the periodontium.
2.
of or pertaining to periodontics.
3.
of or pertaining to the periodontal membrane.


Origin:
1850–55; peri- + -odont + -al1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Periodontal has a plethora of syllables.
So is pneumonoultramicroscopicsilicovolcanoconiosis. Does it mean:
a white, crystalline, water-insoluble, powerful high explosive, C3H6N6O6, used chiefly in bombs and shells.
an obscure term ostensibly referring to a lung disease caused by silica dust, sometimes cited as one of the longest words in the English language.
Collins
World English Dictionary
periodontal (ˌpɛrɪəˈdɒntəl)
 
adj
of, denoting, or affecting the gums and other tissues surrounding the teeth: periodontal disease

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

periodontal
1854, lit. "around the tooth," from peri- (q.v.) + Gk. odon (gen. odontos) "tooth."
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
American Heritage
Medical Dictionary

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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