/ Dictionary / Index P panspermia: Meaning and Definition of Find definitions for: pan•sper•mi•a Pronunciation: (pan-spûr'mē-u), [key] — n. Biol. the theory that life exists and is distributed throughout the universe in the form of germs or spores that develop in the right environment. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pansophy pansy Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language