/ Dictionary / Index B Betadine: Meaning and Definition of Find definitions for: Be•ta•dine Pronunciation: (bā'tu-dīn" or, esp. Brit., bē'-), [key] — Pharm., Trademark. Pharm.,Trademark. a brand name for povidone-iodine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. beta decay beta-endorphin Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language