/ Dictionary / Index H higher mathematics: Meaning and Definition of Find definitions for: high'er mathemat'ics Pronunciation: [key] the advanced portions of mathematics, customarily considered as embracing all beyond ordinary arithmetic, geometry, algebra, and trigonometry. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. higher law higher-up Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language