What is another word for second-language acquisition?
Pronunciation: [sˈɛkəndlˈaŋɡwɪd͡ʒ ɐkwɪsˈɪʃən] (IPA) 
Second-language acquisition refers to the process of learning a language after acquiring proficiency in one's mother tongue. There are several other terms that can be used to refer to this process. Some of the synonyms for second-language acquisition include bilingualism, multilingualism, language learning, language acquisition, and L2 acquisition. Bilingualism refers to the ability to speak two languages fluently, whereas multilingualism refers to the ability to speak multiple languages fluently. Language learning and acquisition refer to the process of acquiring a new language, and L2 acquisition is a shorthand for second-language acquisition. Regardless of the term used, second-language acquisition is a challenging but rewarding process that opens up a world of opportunities for individuals who master more than one language.
