pro ‧ mo ‧ tion ‧ al /prəˈməʊʃ ə nəl $ -ˈmoʊ-/ BrE AmE adjective
[ Word Family: noun : ↑ promotion , ↑ promoter ; verb : ↑ promote ; adjective : ↑ promotional ]
promotional films, events etc advertise something:
a promotional video
pro ‧ mo ‧ tion ‧ al /prəˈməʊʃ ə nəl $ -ˈmoʊ-/ BrE AmE adjective
[ Word Family: noun : ↑ promotion , ↑ promoter ; verb : ↑ promote ; adjective : ↑ promotional ]
promotional films, events etc advertise something:
a promotional video
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012