Technical language (teaching of) ; Français fonctionnel; Teaching of technical language ; DaF; Deutsch als Zweitsprache; German as a second language; DaZ; German as a foreign language ; Wortschatz (Sprachunterricht) ; Lernwortschatz; Vocabulary teaching ; Academic language; Scientific language ; Lexicography ; Combinatory dictionary; Collocations (dictionary of) ; Festes Syntagma; Feste Wortverbindung; Set phrase; Fixed expression ; Colligation; Collocation ; German