/ ɪmˈpiːdns; NAmE / noun
[ U ] ( physics ) a measurement of the total resistance of a piece of electrical equipment, etc. to the flow of an alternating current
/ ɪmˈpiːdns; NAmE / noun
[ U ] ( physics ) a measurement of the total resistance of a piece of electrical equipment, etc. to the flow of an alternating current
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005