logarithmic function

WordReference Random House Unabridged Dictionary of American English © 2025

log′arith′mic func′tion, [Math.]

1. Mathematics a function defined by y = log _bx, esp. when the base, b, is equal to e, the base of natural logarithms.

• 1945–50

Collins Concise English Dictionary © HarperCollins Publishers::

logarithmic function noun

1. the mathematical function y = logx
2. a function that can be expressed in terms of this function