Spongin

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Spongin \Spon"gin\ (sp[u^]n"j[i^]n), n. (Physiol. Chem.)
     The chemical basis of sponge tissue, a nitrogenous, hornlike
     substance which on decomposition with sulphuric acid yields
     leucin and glycocoll.
     [1913 Webster]