/ Dictionary / Index S Semmelweis: Meaning and Definition of Find definitions for: Sem•mel•weis Pronunciation: (zem'ul-vīs"), [key] 1818–65, Hungarian obstetrician. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. semiyearly Semmes 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