/ Dictionary / Index H Hassel: Meaning and Definition of Find definitions for: Has•sel Pronunciation: (hä'sul), [key] 1897–1981, Norwegian chemist: Nobel prize 1969. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hassel (Thesaurus) Hassan II hassenpfeffer Related Content Daily Word Quiz: pugilist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language