'Impedance' definitions:
Definition of 'impedance'
(from WordNet)
noun
A material's opposition to the flow of electric current; measured in ohms [syn: electric resistance, electrical resistance, impedance, resistance, resistivity, ohmic resistance]
Definition of 'Impedance'
From: GCIDE
- 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. [Webster 1913 Suppl.]
Synonyms of 'impedance'
From: Moby Thesaurus
- capacitive reactance,
- clog,
- cumbrance,
- electric resistance,
- hindrance,
- impediment,
- inductive reactance,
- magnetic reluctance,
- ohm,
- ohmage,
- reactance,
- reluctance,
- reluctivity,
- resistance,
- skin effect,
- specific reluctance,
- surface resistance,
- volume resistance