1. A language that a person has acquired in adolescence or later
   "Research on adult-learned second language (L2) has provided considerable insight into the neurocognitive mechanisms underlying the learning and processing of L2 grammar"; "A period of limited exposure generally leads to attrition (loss) of L2 performance or knowledge"; "Crucially, it is also desirable to retain them, even in the absence of continued practice or exposure to the L2";
   - second language

Type of: language, linguistic communication

Encyclopedia: L2