/ Dictionary / Index P pseudoscience: Meaning and Definition of Find definitions for: pseu•do•sci•ence Pronunciation: (s"dō-sī'uns), [key] — n. any of various methods, theories, or systems, as astrology, psychokinesis, or clairvoyance, considered as having no scientific basis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pseudoscience (Thesaurus) pseudoscalar pseudoscope Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language