second language acquisition
noun/ˌsekənd ˈlæŋɡwɪdʒ ækwɪzɪʃn/
/ˌsekənd ˈlæŋɡwɪdʒ ækwɪzɪʃn/
[uncountable] (abbreviation SLA)
(linguistics)- the learning of a second language
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second language acquisition
Definition of second language acquisition noun from the Oxford Advanced Learner's Dictionary