Definition of Napierian logarithm in US English:

Napierian logarithm


  • another term for natural logarithm
    • ‘In any case it is curious to note that the Napierian logarithm of 2 was printed before the year 1500, with an approximation of 3 per 100.’
    • ‘The D 37 of each protein was obtained from the curve of the Napierian logarithm of the remaining intact protein versus radiation dose.’
    • ‘For Napierian logarithms, the base is number ‘e’, called as Napier's base named after the mathematician Napier.’
    • ‘The existence of e is implicit in John Napier's 1614 work on logarithms, and natural logarithms are sometimes inexactly dubbed Napierian logarithms.’
    • ‘The Napierian logarithm can be given in terms of the modern logarithm by solving equation for, giving’


Early 19th century: named after J. Napier (see Napier, John).


Napierian logarithm