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periodontium

[ per-ee-uh-don-shuhm, -shee-uhm ]
/ ˌpɛr i əˈdɒn ʃəm, -ʃi əm /
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noun, plural per·i·o·don·tia [per-ee-uh-don-shuh, -shee-uh]. /ˌpɛr i əˈdɒn ʃə, -ʃi ə/.
the bone, connective tissue, and gum surrounding and supporting a tooth.
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Origin of periodontium

From New Latin, dating back to 1955–60; see origin at peri-, -odont, -ium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
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