/ Dictionary / Index L Laurent series: Meaning and Definition of Find definitions for: Laurent' se"ries Pronunciation: (lô-rent' Fr. lô-rän'), [key] — Math. Math. a power series in which the negative as well as the positive powers appear. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Laurentius Laurent's theorem Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language