(physics) A quantity analogous to electrical impedance in some other energy domain
(physics) a measure of opposition to motion of something subjected to a force; the ratio of force to velocity treated as complex quantities.
(physics) the ratio of sound pressure to volume flow rate treated as complex quantities.
(by analogy, software engineering, usually with “mismatch”) a measure of the opposition caused by differences between two paradigms, especially between object-oriented development and relational databases
“In contrast, the configurations and sizes of the nozzles of the first and the second head members are identical, and their impedances are also the same.”