Sequential bilingualism occurs when a person becomes bilingual by first learning one language and then another. The process is contrasted with simultaneous bilingualism, in which both languages are learned at the same time.. There is variation in the period in which learning must take place for bilingualism to be considered simultaneous.
acquisition process and the ultimate organization of the grammars in the mind of an individual who has acquired two or more languages at the same time (simultaneous bilingualism) and that of an individual who has acquired one language and then subsequently acquires another (sequential bilingualism or second language acquisition).
Second-language acquisition (SLA), second-language learning, or L2 (language 2) acquisition, is the process by which people learn a second biliardas.info-language acquisition is also the scientific discipline devoted to studying that process. The field of second-language acquisition is a subdiscipline of applied linguistics, but also receives research attention from a variety of other.