guanine (plural guanines)
- (chemistry) A substance first obtained from guano; it is a nucleic base and pairs with cytosine in DNA and RNA.
substance obtained from guano
- “Guanine” in David Barthelmy, Webmineral Mineralogy Database, 1997–.
- guanine mindat.org, Hudson Institute of Mineralogy, accessed 29 August 2016