- a glucoside, CHNO, found in a natural state in the indigo plant: it is converted by water and oxygen into indigo
- an indigo-forming substance, CHNOSOOH, the potassium salt of which is present in animal urine
Origin of indicanfrom Classical Latin indicum, indigo + -an
- A potassium salt, C8H6NO4SK, found in urine and formed by the conversion of tryptophan to indole by intestinal bacteria.
- A glucoside, C14H17NO6, found in the indigo plant and used as a source for indigo dye.
Origin of indicanLatin indicum indigo ; see indigo . -an 2