/ Dictionary / Index L logarithmic: Meaning and Definition of Find definitions for: log•a•rith•mic Pronunciation: (lô"gu-ri'mik, -rith'-, log"u-), [key] — adj. Math. pertaining to a logarithm or logarithms. (of an equation) having a logarithm as one or more of its unknowns. (of a function) pertaining to the function y = logx. expressible by means of logarithms. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: logarithmic (Thesaurus) logarithm logarithmic function Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language