- C3H7NSO2
- Cystine Cyst"ine (s?s"t?n; 104), n. [See {Cyst}.] (Physiol. Chem.) A white crystalline substance, {C3H7NSO2}, containing sulphur, occuring as a constituent of certain rare urinary calculi, and occasionally found as a sediment in urine. [1913 Webster]
The Collaborative International Dictionary of English. 2000.