uranium yellow
noun
1A bright lemon-yellow colour characteristic of some uranium compounds; frequently attributive.
2A yellow uranium-containing compound or pigment; specifically sodium diuranate, Na2U2O7·6H2O, formed as a precipitate by adding sodium hydroxide to a solution of uranyl sulphate and formerly used in making yellow glass.
Origin
Mid 19th century; earliest use found in The Chemical Gazette.