(biochemistry, organic chemistry) An amino acid, 2,5-diaminopentanoic acid, that is not present in protein, but is an intermediate in the biosynthesis of urea.

Alternative form of vice-consul

(organic chemistry) The very widely used neonicotinoid insecticide 1-(6-chloro-3-pyridylmethyl)-N-nitroimidazolidin-2-ylideneamine, used both in agriculture and domestically (for instance to contro...

plural of orang-utan