/ ˌveɪzəʊkənˈstrɪkʃn; NAmE -zoʊ-/ noun
[ U ] ( biology or medical ) a process in which blood vessels become narrower, which tends to increase blood pressure
/ ˌveɪzəʊkənˈstrɪkʃn; NAmE -zoʊ-/ noun
[ U ] ( biology or medical ) a process in which blood vessels become narrower, which tends to increase blood pressure
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005