Dictionary.com Thesaurus.com

periodontium

American

[per-ee-uh-don-shuhm, -shee-uhm] / ˌpɛr i əˈdɒn ʃəm, -ʃi əm /

noun

the bone, connective tissue, and gum surrounding and supporting a tooth.

Other Word Forms

Noun Inflected Forms

periodontia

plural

Etymology

Origin of periodontium

From New Latin, dating back to 1955–60; see origin at peri-, -odont, -ium

Random Word

Spin the wheel and learn a new word!

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.