Source : Webster's Revised Unabridged Dictionary (1913)

Chondrin \Chon"drin\, n. [Gr. ? 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.

Source : WordNet®

chondrin
     n : a substance that resembles gelatin and is obtained by
         boiling cartilage in water