Meaning of IMPEDANCE in English

IMPEDANCE

im ‧ ped ‧ ance /ɪmˈpiːd ə ns/ BrE AmE noun [singular, uncountable]

technical a measure of the power of a piece of electrical equipment to stop the flow of an ↑ alternating current

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.