Meaning of IMPEDANCE in English

IMPEDANCE

transcription, транскрипция: [ im-ˈpē-d ə n(t)s ]

noun

Date: 1886

: something that impedes : hindrance : as

a. : the apparent opposition in an electrical circuit to the flow of an alternating current that is analogous to the actual electrical resistance to a direct current and that is the ratio of effective electromotive force to the effective current

b. : the ratio of the pressure to the volume displacement at a given surface in a sound-transmitting medium

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.