(organic chemistry) The tropone 3,8-dimethyl-5-isopropyl-2,3-dihydro-1H-azulene-1,6-dione present in Croton argyroglossum

plural of polystyrene

Third-person singular simple present indicative form of Paulinize

(obsolete, organic chemistry) The alkaloid cytisine when extracted from gorse (of genus Ulex).