chondrin

from WordNet (r) 3.0 (2006)

chondrin
    n 1: a substance that resembles gelatin and is obtained by
         boiling cartilage in water

from The Collaborative International Dictionary of English v.0.48

Chondrin \Chon"drin\, 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]