Of or pertaining to logarithms; consisting of logarithms.
(Science: mathematics) Logarithmic curve, a curve which, referred to a system of rectangular coordinate axes, is such that the ordinate of any point will be the logarithm of its abscissa. Logarithmic spiral, a spiral curve such that radii drawn from its pole or eye at equal angles with each other are in continual proportion. See spiral.
Origin: f. Logarithmique.