catecholamine catechol • catechu · · · Info · Definitions · Characters · · catecholamine · · Text Latin · · Script 13 · · Length 5 · · Syllables Definitions · · · (noun) any of a group of chemicals including epinephrine and norepinephrine that are produced in the medulla of the adrenal gland. · · Noun Definition 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F t latin small letter t U+0074