recedence|rɪˈsiːdəns| [f. recede v.1 + -ence: cf.precedence.] = recession. 1859J. Tomes Dental Surg. 494 The gradual waste of the alveolar processes, accompanied by a corresponding recedence of the gums.1883New Eng.Jrnl.Educ. XVII. 329 An age approximating the recedence of the flood.