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periodontology

American  
[per-ee-oh-don-tol-uh-jee] / ˌpɛr i oʊ dɒnˈtɒl ə dʒi /

noun

  1. periodontics.

Etymology

Origin of periodontology

1910–15; periodont(ia) ( def. ) + -o- + -logy

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.