A yellow pigment, consisting essentially of sulfide and oxide of arsenic.

A fatal condition of the liver in which it undergoes fatty degeneration and becomes rapidly smaller and of a deep yellow tinge. The marked symptoms are black vomit, delirium, convulsions, coma, and jaundice.

calisaya (Cinchona spp.)

(pharmacology) Yellow oxide of mercury suspended in water; a mixture prepared by adding corrosive sublimate to limewater.

copiapite

Ajuga chamaepitys, a flowering plant of the family Lamiaceae.

plural of yellow Sally

(fishing) A greenish or yellowish European stonefly of the genus Chloroperla. / A critically endangered stonefly, Isogenus nubecula, presumed extinct in the UK after 1995 but rediscovered in 2017.

(chemistry) Mercury(II) oxide

plural of yellow Sally