The Collaborative International Dictionary of English v.0.48:

Carnic \Car"nic\ (k[aum]r"n[i^]k), a. [L. caro, carnis, flesh.]
   Of or pertaining to flesh; specif. (Physiol. Chem.),
   pertaining to or designating a hygroscopic monobasic acid,
   C10H15O5N3, obtained as a cleavage product from an acid of
   muscle tissue.
   [Webster 1913 Suppl.]