(n.) A white crystalline substance, C3H7NSO2, containing sulphur, occuring as a constituent of certain rare urinary calculi, and occasionally found as a sediment in urine.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). cystine. Retrieved September 28, 2026, from http://smartdefine.org/cystine/definitions/1994153 |
| Chicago | Webster's. 2011. "cystine" http://smartdefine.org/cystine/definitions/1994153 (accessed September 28, 2026). |
| Harvard | Webster's 2011, cystine, Smart Define, viewed 28 September, 2026, <http://smartdefine.org/cystine/definitions/1994153>. |
| MLA | Webster's. "cystine" 27 May 2011. Web. 28 September 2026. <http://smartdefine.org/cystine/definitions/1994153> |