impedance : Dictionary / Wörterbuch (BEOLINGUS, TU Chemnitz)

English Dictionary: impedance	by the DICT Development Group
3 results for impedance
From WordNet (r) 3.0 (2006) [wn]:
impedance n a material's opposition to the flow of electric current; measured in ohms Synonym(s): electric resistance, electrical resistance, impedance, resistance, resistivity, ohmic resistance
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Impedance \Im*ped"ance\, n. [Impede + -ance.] (Elec.) The apparent resistance in an electric circuit to the flow of an alternating current, analogous to the actual electrical resistance to a direct current, being the ratio of electromotive force to the current. It is equal to root{R^{2} + X^{2}}, where R = ohmic resistance, X = reactance. For an inductive circuit, X = 2[pi]fL, where f = frequency and L = self-inductance; for a circuit with capacity X = 1 [div] 2[pi]fC, where C = capacity.
From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
impedance Opposition to flow of alternating current. Impedance consists of {resistance} plus {reactance} (capacitive or inductive). Measured in {Ohms}. (2003-12-02)