uranide

noun

1. Any of the transuranium elements immediately following uranium in the periodic table.

   “The family of the uranides presents only a single substance put to any use. This is the pechurane or protoxide of uranium used in laboratories for the preparation of the different oxides of this metal.”

   “It is suggested that the lanthanides should be in the sixth period and uranides in the seventh, divided into uranides (U-Am) and curides (Cm-Lw).”