/ Dictionary / Index B blastospore: Meaning and Definition of Find definitions for: blas•to•spore Pronunciation: (blas'tu-spôr", -spōr"), [key] — n. Bot. a fungal spore that arises by budding. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. blastosphere blastostyle Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language