# natural logarithm

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## natural logarithm

*n.*

*Symbol*

**ln**

A logarithm in which the base is the irrational number

*e*(= 2.71828 ... ). For example, ln 10 = log*10 = approximately 2.30258. Also called*_{e}*Napierian logarithm*.## natural logarithm

*n*

(Mathematics) a logarithm to the base e. Usually written loge or ln. Also called:

**Napierian logarithm**Compare e^{1}, common logarithm## nat′ural log′arithm

*n.*

a logarithm having

*e*as a base.*Symbol:*ln Also called**Napierian logarithm.**Compare common logarithm.## natural logarithm

A logarithm whose base is the irrational number

*e*. Natural logarithms are frequently used in calculus. See more at e. Compare common logarithm.ThesaurusAntonymsRelated WordsSynonyms

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Noun | 1. | natural logarithm - a logarithm to the base e |

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