natural logarithm
nounEtymology From New Latin logarithmus nātūrālis, coined in 1668 by Nicholas Mercator in his book Logarithmo-technica.
1
Mathematics, Sciences The logarithm in base e: either the function that given x returns y such that eʸ = x, or the value of y given by the function.
- The natural logarithm can be used to integrate ¹⁄ₓ.
- Synonyms
- hyperbolic logarithm, ln, Naperian logarithm, Napierian logarithm
- Related terms
- common logarithm, logarithm