D defs.my
Entry 1 sense Webster, 1913

Spongin

/(spŭn"jĭn)/ · Spon·gin · IPA
01 n. The chemical basis of sponge tissue, a nitrogenous, hornlike substance which on decomposition with sulphuric acid yields leucin and glycocoll.
  1. 1.
    The chemical basis of sponge tissue, a nitrogenous, hornlike substance which on decomposition with sulphuric acid yields leucin and glycocoll.(Physiol. Chem.)