/ Dictionary / Index B binomial series: Meaning and Definition of Find definitions for: bino'mial se'ries Pronunciation: [key] — Math. Math. an infinite series obtained by expanding a binomial raised to a power that is not a positive integer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. binomial nomenclature binomial theorem Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language