Any of the species of Toxicodendron with compound leaves having three oak-like leaflets, native to North America.

(organic chemistry) The toxic cyclopentenoid cyanohydrin glucoside (1S,4R)-4-hydroxy-1-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxycyclopent-2-ene-1-carbonitrile present in Pas...

(informal, derogatory, neologism) A period of time where the idea of an ongoing pandemic is used to defraud the general public.

plural of aide-mémoire