/ Dictionary / Index S synthetic geometry: Meaning and Definition of Find definitions for: synthet'ic geom'etry Pronunciation: [key] elementary geometry, as distinct from analytic geometry. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. synthetic fuel synthetic philosophy Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language