n. [ Gr. cho`ndros cartilage. ] (Physiol. Chem.) A colorless, amorphous, nitrogenous substance, tasteless and odorless, formed from cartilaginous tissue by long-continued action of boiling water. It is similar to gelatin, and is a large ingredient of commercial gelatin. See also chondroitin sulfate. [ 1913 Webster +PJC ]