{ Log′a‐rith″mic (?), Log′a‐rith″mic‐al (?), } a. [Cf. F. logarithmique.] Of or pertaining to logarithms; consisting of logarithms.
Logarithmic curve(Math.), a curve which, referred to a system of rectangular coördinate 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.