periodontoclasia per·i·o·don·to·cla·sia (pěr’ē-ō-dŏn’tə-klā’zhə, -zē-ə)
Pathological destruction of the periodontium. No longer in technical use.
[per-ee-oh-don-tol-uh-jee] /ˌpɛr i oʊ dɒnˈtɒl ə dʒi/ noun 1. .
[per-ee-oh-don-toh-sis] /ˌpɛr i oʊ dɒnˈtoʊ sɪs/ noun, Dentistry. (no longer in technical use) 1. . periodontosis per·i·o·don·to·sis (pěr’ē-ō’dŏn-tō’sĭs) n. A degenerative disease of the periodontal ligament and tooth sockets, characterized by looseness and migration of teeth.
noun 1. something, as a novel, painting, or building, of interest or value primarily because it evokes or epitomizes a particular period of history. noun 1. an object, a piece of music, a play, etc, valued for its quality of evoking a particular historical period: often one regarded as of little except historical interest
[peer-ee-uh d] /ˈpɪər i əd/ noun 1. a rather large interval of time that is meaningful in the life of a person, in history, etc., because of its particular characteristics: a period of illness; a period of great profitability for a company; a period of social unrest in Germany. 2. any specified division or portion […]