pyrocoll
noun
py·ro·coll
| \ ˈpīrōˌkäl\
plural -s
Definition of pyrocoll
: a crystalline tricyclic inner amide C10H6N2O2 obtained by the distillation of gelatin, glue, or leather scrap or by the dehydration of pyrrole-carboxylic acid with acetic anhydride
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