/ Dictionary / Index H Helmholtz: Meaning and Definition of Find definitions for: Helm•holtz Pronunciation: (helm'hōlts), [key] — n. 1821–94, German physiologist and physicist. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: helmholtz (Thesaurus) helmet shell Helmholtz function Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language