aÂ·pexÂ·iÂ·fiÂ·caÂ·tion. Induced tooth root development or closure of the root apex by hard tissue deposition. apexification. a process of promoting apical closure of the root in an endodontically treated tooth by placement of calcium hydroxide paste or other tissue-tolerant material in the root canal after an apicoectomy.
Supernumerary is an adjective which means exceeding the usual number. When used as a noun, supernumerary means a temporary employee, additional society member, or extra manpower, usually in a function which has a temporary contract. In aeronautical context, a flight deck may contain a supernumerary seat. 2  This is a place for someone who doesn't have anything to do with the take off, flying, or landing of the aircraft. 3  Just a place for an extra body to observe.
From Wikipedia, the free encyclopedia. In Sociology, master status is the social position that is the primary identifying characteristic of an individual. It is defined as a status that has exceptional importance for social identity, often shaping a person's entire life.. The master status is often the most important architecture of individual identity. Common characteristics are those of race or ethnicity, sex, sexual orientation, physical ability, age, economic standing, religion or spirituality, and education.