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Pronunciation varies by accent · noun
Natural frequency: the frequency at which a system tends to oscillate in the absence of any driving or damping force..
Use eigenfrequency when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Eigenfrequency means Natural frequency: the frequency at which a system tends to oscillate in the absence of any driving or damping force..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use eigenfrequency where its definition matches the intended context.
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