/ Dictionary / Index C Cartesian doubt: Meaning and Definition of Find definitions for: Carte'sian doubt' Pronunciation: [key] — Philos. Philos. willful suspension of all interpretations of experience that are not absolutely certain: used as a method of deriving, by elimination of such uncertainties, axioms upon which to base theories. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Cartesian diver Cartesian product Related Content Daily Word Quiz: hale Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language