单词 | periodontium |
释义 | periodontium /per'ee euh don"sheuhm, -shee euhm/, n. , pl. periodontia /-sheuh, -shee euh/. the bone, connective tissue, and gum surrounding and supporting a tooth. Also, parodontium. [1955-60; < NL; see PERI-, -ODONT, -IUM] |
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