se·quen·tial / siˈkwenchəl/ • adj. forming or following in a logical order or sequence: a series of sequential steps. ∎  chiefly Comput. performed or used in sequence: sequential processing of data files.DERIVATIVES: se·quen·ti·al·i·ty / siˌkwenchēˈalitē/ n.se·quen·tial·ly adv.

sequential (serial) Involving the occurrence of two or more events or activities such that one must finish before the next begins. If one event or activity immediately follows another then they are said to be consecutive.