noun
impedance
Impedance (noun) means the act of impeding; that which impedes; a hindrance.
noun
1
The act of impeding; that which impedes; a hindrance.
2
A measure of the opposition to the flow of an alternating current in a circuit; the aggregation of its resistance, and inductive and capacitive reactances; the ratio of voltage to current treated as complex quantities.
3
A quantity analogous to electrical impedance in some other energy domain
4
a measure of opposition to motion of something subjected to a force; the ratio of force to velocity treated as complex quantities.
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Etymology
From impede + -ance. In sense 2 and sense 3 it was coined by English mathematician and physicist Oliver Heaviside in 1886.
Rhymes for impedance
See all rhymes for impedance →Frequently asked questions
What is the meaning of impedance?
"impedance" (noun) means the act of impeding; that which impedes; a hindrance.
What are the different meanings of impedance?
"impedance" has 3 main meanings: 1. The act of impeding; that which impedes; a hindrance; 2. A measure of the opposition to the flow of an alternating current in a circuit; the aggregation of its resistance, and inductive and capacitive reactances; the ratio of voltage to current treated as complex quantities; 3. A quantity analogous to electrical impedance in some other energy domain.