fidelity - definition in the American English Dictionary - Cambridge Dictionaries Online

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English definition of “fidelity”

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fidelity

noun [U]  us   /fəˈdel·ɪ·t̬i/

fidelity noun [U] (BEING LOYAL)

the state of remaining loyal to someone and keeping the promises you made to that person

fidelity noun [U] (ACCURACY)

the degree to which a copy of something shows the true character of the original: The fidelity of the tape recording was so poor that you could not understand much of what was said.
(Definition of fidelity from the Cambridge Academic Content Dictionary © Cambridge University Press)
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