a function defined by y = logbx, especially when the base, b, is equal to e, the base of natural logarithms.
Origin of logarithmic function
First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
- the mathematical function y = log x
- a function that can be expressed in terms of this function
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012