hassel hassar • hassle · · · Info · Definitions · Characters · · hassel · · Text Latin · · Script 6 · · Length Definitions · · · (noun) Norwegian chemist noted for his research on organic molecules (1897-1981). Synonyms: Hassel, Odd Hassel. · · Noun Definition 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 h latin small letter h U+0068 l latin small letter l U+006C s latin small letter s U+0073