WordReference Random House Unabridged Dictionary of American English © 2026
sec′ond deriv′ative, [Math.]
  1. Mathematicsthe derivative of the derivative of a function:Acceleration is the second derivative of distance with respect to time.Cf. first derivative. 

'second derivative' also found in these entries (note: many are not synonyms or translations):
derivative - first derivative

Forum discussions with the word(s) "second derivative" in the title:


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