n. (Physiol. Chem.) A crystalline nitrogenous substance, formed in the decomposition of creatin (one of the constituents of muscle tissue). Chemically, it is methyl glycocoll. [ 1913 Webster ]
‖n. [ NL., fr. Gr. &unr_;, fr. sa`rx, sa`rkos, flesh. ] (Med.) (a) Abnormal formation of flesh. (b) Sarcoma. [ 1913 Webster ]