/ Dictionary / Index S Sommerfeld: Meaning and Definition of Find definitions for: Som•mer•feld Pronunciation: (zôm'ur-felt"), [key] (Jo&syl;han&syl;nes Wil&syl;helm)1868–1951, German physicist. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sommelier somnambulate Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language